Math 2 NCFE Review

The measures of two angles of a triangle are 70 and 55. This triangle is

• a right triangle

• a scalene triangle

• an obtuse triangle

• an isosceles triangle

Tags

CCSS.8.G.A.5

In triangle QRS, m∠Q = x, m∠R = 8x - 40, and m∠S = 2x. Which type of triangle is triangle QRS?

• isosceles

• right

• acute

• obtuse

Tags

CCSS.8.G.A.5

A right triangle contains a 38° angle whose adjacent side measures 10 centimeters. What is the length of the hypotenuse, to the nearest hundredth of a centimeter?

• 7.88

• 12.69

• 12.80

• 16.24

Tags

CCSS.HSG.SRT.C.8

In the following diagram, triangle LMO is isosceles with LO = MO. If m∠L = 55 and m∠NOM = 28, what is m∠N?

• 27

• 28

• 42

• 70

Tags

CCSS.8.G.A.5

The two acute angles of an isosceles right triangle must measure

• 30° and 60°

• 35° and 55°

• 40° and 50°

• 45° and 45°

Tags

CCSS.8.G.A.5

Tina wants to sew a piece of fabric into a scarf in the shape of an isosceles triangle, as shown in the accompanying diagram. What are the values of x and y?

• x = 42 and y = 96

• x = 69 and y = 69

• x = 90 and y = 48

• x = 96 and y = 42

Tags

CCSS.8.G.A.5

In the accompanying diagram, triangle ABC is congruent to triangle XYZ. Which two statements identify corresponding congruent parts for these triangles?

• AB ≅ XY and ∠C ≅ ∠Y

• AB ≅ YZ and ∠C ≅ ∠X

• BC ≅ XY and ∠A ≅ ∠Y

• BC ≅ YZ and ∠A ≅ ∠X

Tags

CCSS.HSG.CO.B.7

In the accompanying diagram of triangle ABC, BC is extended to D, m∠A = 20, m∠ACD = 70, and m∠B = x. What is the value of x?

• 110

• 90

• 70

• 50

Tags

CCSS.8.G.A.5

Two angles of a triangle measure 65° and 75°. Which is not the measure of an exterior angle of the triangle?

• 105°

• 115°

• 130°

• 140°

Tags

CCSS.8.G.A.5

The lengths of the sides of a triangle are 8, 15, and 17. If the longest side of a similar triangle is 51, what is the length of the shortest side?

• 32

• 24

• 16

• 4

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6