The measure of the vertex angle in an isosceles triangle is 129 degrees. What is the measure of the other two angles? If needed, round to the nearest whole degree

Q: The sum of the measures of the interior angles of a figure is 1260°. Calcu number of sides.

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Q: One of the angles of an isosceles triangle is 120° , the radius of the inscribed circle is 3 . How…

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Q: If the measures of the angles of a triangle are in the ratio 1:2:3. are the lengths of the sides in…

A: The measure of the angles of a triangle are in the ratio of 1:2:3   We know that the sum of all…

Q: The sum of the interior angle measures of a polygon is 3,420°. How many sides does the polygon have?

A: Given, The sum of the interior angle measures of a polygon is 3,420°. To find: the number of sides…

Q: Suppose that the perimeter of a quadrilateral is 70 and the lengths of the sides are in the ratio…

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Q: The measures of three exterior angles of a convex quadrilateral are 90 °, 76 °, and 110 °. What is…

A: Sum of the exterior of the polygon or convex quadrilateral is 360°.

Q: If the base of an isosceles triangle has a length of 16 inches and the measure of the vertex angle…

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Q: Explain why, no matter how the circuit is completed, Pip must place an even number of additional…

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Q: If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does the…

A: sum =(n-2)180    ....(1) given sum=1980

Q: Find the sum of the measures of the angles of a five- sided polygon

A: Given,          The sum of the measures of the angles of a five- sided polygon.

Q: What is the measure of the exterior angle of a triangle if the two interior angles opposite it would…

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Q: If you know the total angle measure of a polygon, how would you find the number of sides the polygon…

A: Simply use the formula for the total sum of internal angles of a n sides polygon.

Q: If one leg of a right triangle is 8 and the hypotenuse is 10, what is the measure of the other leg?

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Q: The vertex angle of an isosceles triangle is 10 less than three times the base angles. Find each…

A: Given In an isosceles triangle, The vertex angle is 10 less than 3 times its base angle We know that…

Q: One of the acute angles in a right triangle has a measure of 35°. What is the measure of the other…

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Q: What is the length of the shortest altitude in a triangle, if the lengths of the sides are: 15 cm,…

A: What we can know before we start to calculate, is that the shortest altitude must be from the corner…

Q: A quadrilateral has two angles that measure 317° and 13°. The other two angles are in a ratio of…

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Q: If the altitude of an isosceles triangle is 59 centimeters and each of the two equal angles measures…

A: Given that  The altitude of an isosceles triangle is 59 centimeters and each of the two equal angles…

Q: If the measure of two angles in a triangle are 60 and 100°, what is the measure of the third angle

A: The objective is to find the measure of third angle.

Q: Find the missing side length of a right triangle that has a base of 12 and a hypotenuse of 20.

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Q: The sum of the angle measures of a polygon with n sides is 3960. Find n. n =

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Q: The sum of the angle measures of a polygon with n sides is 1440. Find n. n=

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Q: If the exterior angle of a polygon measures 119 degrees, then the sum of its two remote interior…

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Q: If ABC =~ DEF. Find the measures of the given angels or the lengths of the given sides.

A: see below the answer and explanation

Q: two triangles measure 20 and 130 degrees, what is the measure of the third angle?

A: We have to find third angle

Q: In A RST, which side is the longest? Remember the sum of the angles in a triangle must equal 180°.

A: We are given the following triangle. Now, ∠T=180°-57°-61°=62°. Since ∠T>∠S>∠R⇒RS>RT>TS.…

Q: A quadrilateral has two angles that measure 276° and 28°. The other two angles are in a ratio of…

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Q: If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does it…

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Q: The sum of four interior angles of a regular hexagon is 480° what are the measures of the two…

A: Recall that in a regular polygon each side have the same length and each interior angle is equal. In…

Q: If one side of an equilateral triangle measures 10, what is the perimeter of the triangle

A: The side of an equilateral triangle is 10 units. The objective is to find the perimeter of the…

Q: If a 12 foot flagpole casts a shadow of 28 feet, how tall would be a building that casts a shadow of…

A: Given that 12 foot flagpole casts a shadow that is 28 feet long and a nearly building casts a shadow…

Q: The measure of one of the base angles in an isosceles triangle is 70 degrees. What is the measure of…

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Q: The sum of the measures of the interior angles of a polygon is 2520 degrees. How many sides does…

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Q: As art student wants to take a triangle with side lengths of 9,9 and 15 and enlarge it so that the…

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Q: In a 30-60-90 degree triangle, the side opposite the 30-degree angle is how long compared to…

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Q: The measure of 1 exterior angle in a regular polygon is 15°. How many sides does it have? The…

A: Solving the problem by calculating the no. Of sides.

Q: If the measure of one of the interior angle of a regular polygon is 40° how many sides does the…

A: Nine sides If this is the exterior angle,then number of sides = 8  If this is the interior angle…

Q: Three pieces of steel angle are welded to form a triangle.  If two pieces are welded at a 53.0°…

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Q: The height of an isosceles triangle is 6 cm. Find the third side if the length of the two aual sides…

A: Given, Height of an isosceles triangle =6 cm             the length of two equal sides  = 10 cm

Q: If the longest side in a 30 degree –60 degree –90 degree  triangle is 10, find the length of the…

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Q: A convex hexagon has exterior angles with measure of 34, 49, 58, 65 and 75. What is the measure of…

A: We know that sum of exterior angles of a convex polygon is 360°

Q: If one of the base angles of an isosceles triangle has a measure of 54, find the measure of the…

A: Let's find.

Q: If an isosceles right triangle has legs that are 3 inches long, how long is its hypotenuse?

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Q: The lengths of three sides of a triangle are 13 cm, 14 cm, and 15 cm. Find the length of the…

A: Given: The lengths of three sides of a triangle are 13cm, 14cm, & 15cm. To find: The length of…

Q: If the sum of the measures of the interior angles of a polygon is 5400°, how many sides does it…

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Q: One of the angles of an isosceles triangle is 120 0 , the radius of the inscribed circle is 3 . How…

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Q: hypotenuse has a length of 65 in., and side A has a length of 31 in. What is angle X?

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Q: In an equiangular polygon, the measure of each exterior angle is 25% of the measure of each interior…

A: Given that in  an equiangular polygon, the measure of each exteior angleis 25% of the measure of…

Q: The measure of the vertex angle in an isosceles triangle is 132 degrees. What is the measure of the…

A: Given that the measure of the vertex angle in an isosceles triangle is 132 degrees. Here we have to…

Q: How many sides does a polygon have if the sum of its angle measures is 2700 degrees?

A: Sum of all the interior angles of a polygon having n sides  =  (n-2)180o