Angles and Triangles Practice

Which sets of measurements could be the interior angles of a triangle? Select EACH correct answer.

• 15°, 15°, 150°

• 10°, 90°, 100°

• 30°, 30°, 115°

• 10°, 80°, 90°

• 60°, 60°, 60°

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CCSS.8.G.A.5

Find the value of x.

• 5

• 75

• 51

• 81

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CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

• b = 48

• a = 58

• d = 122

• c = 48

Tags

CCSS.8.G.A.5

Name this triangle.

• Right, Isosceles

• Scalene, acute

• Isosceles, acute

• Equilateral, obtuse

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CCSS.4.G.A.2

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

Tags

CCSS.8.G.A.5

Solve for x.

• 7

• 9

• -11

• -6

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CCSS.8.G.A.5

Find the measure of both angles

• 126

• 12

• 30

• 54

• 42

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CCSS.7.G.B.5

What is a possible third side to a triangle with side lengths of 5 and 5? Select all that apply.

• 9

• 10

• 11

• 12

• 8

In triangle ABC, the length of side AB is 10 inches and the length of side BC is 17 inches.  Which of the following could be the length of side AC?

• 16 inches

• 5 inches

• 32 inches

• 29 inches