Geometry: Extra Practice Unit 4A

In triangle ABC, the measure of angle A is 40° and the measure of angle B is 60°. What is the measure of the external angle that is adjacent to angle C (Angle ACD)?

• 45

• 120

• 80

• 100

Tags

CCSS.8.G.A.5

You are trying to create a triangle with three pieces of plastic. The lengths of those three pieces are: 5 cm, 7 cm, and 10 cm. Is the triangle possible to construct?

• No

• Not sure

• Yes

• Maybe

Tags

CCSS.7.G.A.2

In triangle XYZ, if XY = 6, YZ = 8, and XZ = 10, is it a right-angled triangle?

• Maybe

• Not sure

• No

• Yes

Tags

CCSS.8.G.B.8

Fill in the blank in the given statement.

• <

• >

• =

• +

Tags

CCSS.8.G.B.8

Fill in the blank in the statement given.

• <

• >

• =

• +

Tags

CCSS.8.G.B.8

Determine whether the numbers can represent the side lengths of a triangle. (Recall that any two side lengths must sum to more than the third to form a triangle) If they can, classify the triangle as acute, right, or obtuse. Show your work on a scratch piece of paper!
26, 35, 62

• No

• Yes, Acute

• Yes, Right

• Yes, Obtuse

Tags

CCSS.8.G.A.5

Determine whether the numbers can represent the side lengths of a triangle. (Recall that any two side lengths must sum to more than the third to form a triangle) If they can, classify the triangle as acute, right, or obtuse. Show your work on a scratch piece of paper!
29, 18, 14

• No

• Yes, Acute

• Yes, Right

• Yes, Obtuse

Tags

CCSS.HSG.CO.C.11

A commuter airline files a new route between two cities that are 400 kilometers apart. One of the two cities is 200 kilometers from a third city. The other one of the two cities is 300 kilometers from the third city. Do the paths between the three cities form a right triangle? Prove that your answer is correct.

• No

• Yes

Tags

CCSS.8.G.B.8