is a triangle which does not contain a right angle. c. Pythagorean Triangle a. Right Triangle b. Oblique Triangle 2. An d. Isosceles right triangle is a triangle in which one of the angles is an obtuse angle. c. Acute Triangle a. Right Triangle b. Equilateral Triangle d. Obtuse Triangle 3. An oblique triangle doesn't contain angle. a. Right c. Obtuse b. Acute d. Reflex 4. An is a triangle in which all three internal angles are acute angles. a. Right c. Obtuse b. Acute d. Reflex 5. Which of the following statement is correct? a. If two internal angles of a triangle are acute then the triangle is an oblique triangle b. A right triangle is an oblique triangle c. Obtuse triangle and acute triangle are oblique triangles d. In an oblique triangle all the inclusive angles are always acute angles.

5. A ABC A DEF Name all of the angles with a Tangent ratio of 3. Angle A Angle B DAngle C Angle D OAngle E Angle F

Use a ruler, protractor, and compass to construct, when possible, a triangle with the stated properties. Decide if there can be two or more noncongruent triangles with the stated properties. Complete parts (a) through (c). (a) A right triangle with legs (the sides including the right angle) of length 3 cm and 5 cm How many noncongruent triangles of this form can be drawn? O A. zero O B. one O C. two or more (b) A triangle with sides of length 3 cm and 5 cm and a nonincluded angle of 60° How many noncongruent triangles of this form can be drawn? O A. one O B. two or more O C. zero (c) An isosceles triangle with two sides of length 8 cm and an apex angle of measure 28° How many noncongruent triangles of this form can be drawn? O A. zero O B. one OC. two or more

1. Given triangle ABC, find the area of the triangle. Round to the nearest tenth. A -3 A 5.0 units² B. 6.7 units² C. 10.0 units² D. 11.7 units² -1 2 0 -1- -2 -3 B