A, B, C and D are four points on a circle. AC and BD intersect at a point E such that z BEC 130 and z ECD- 20°. Find BAC 130 B.

Q: △ABC is an isosceles triangle. AB = BC. If AB=2x+4, BC=x+8 and AC=5x−2. Find the value of x?

A: Given data, △ABC is an iscosceles triangle,  AB = BC AB = 2x + 4 BC = x + 8 AC = 5x - 2

Q: 19) 3xº 6x® 20) -2- 45° 5x°

A:

Q: Find the value of that will make lines a and b parallel. (5x-32) 52° a b

A: This question can be solved using the concept of two parallel lines intercepted by a transversal.

Q: A x+75° 33 2x 140° C

A:

Q: P is the centre of a circle and AB is chord. PAB = 30°,|APB : (A) 60° (B) 90° (C) 120° (D) 150°

A:

Q: Find the values of a, b, c and d such that: (3+ 2x)ª = b + 216x + 216x° + 96x³ + dx*

A: Just I have used that left side is a polynomial of degree one of some power = polynomial of degree…

Q: State if each triangle is a right triangle & use the formula c=a+b

A: In the given triangle we have: The lengths of the three sides of the triangle are 12 m, 9 m and 15…

Q: 70° 55+ x X +65 60°

A: Find the measure of angle A

Q: Given n = 14, 246", find -3n %3D |- 37| :

A:

Q: 2. A boy starts his morning walk at point A reaches two points B and C and finally back to A such…

A: We have to find the total distance travelled.

Q: 5. с 46° 18x+5 W B -1+8x D

A:

Q: Use #1 to find z,z2

A:

Q: B 12. In rectangle ABCD to the right, find MLADB. E 31° D C

A: Given that: ABCD is a rectangle as shown below:

Q: A drone operator has his drone take off and then start flying due north. The drone flies 45.3 meters…

A: Step 1: Step 2: Step 3: Step 4:

Q: Find the area of the triangle with vertices at RCS (3,-2,5) CCS (4,25°,1) CCS (2.5,40°,-2)

A: One of the point in rectangular coordinate is 3,-2,5 and other two points in Cylindrical coordinate…

Q: Suppose a boat leaves port, travels 7 kilometers, turns 21°, and then travels another 12 kilometers.…

A:

Q: 3. If the points on the circle are points of tangency, what is the value of x? 2x + 10 3x + 7 J

A:

Q: Solve for x, y, and z. y 76°

A: We can use properties of vertically opposite angle and angles of linear pair.