A rectangular glass window measuring 9" by 11" is divided into two equivalent right triangles by a diagonal brace. What is the length of the diagonal brace?

• 9 inches

• 12 inches

• 15 inches

• 21 inches

A balloon that is tied to a stake in the ground is being blown sideways by the wind. The length of the string from the stake to the balloon is 26 feet, and the distance from the stake to a point directly under the balloon is 24 feet. If x is the distance in feet from the balloon to the ground, what is the value of x?

• 2

• 4

• 10

• 25

Andy put a grid on top of a map as shown below. On the grid shown, each grid line represents one mile. What is the shortest distance, to the nearest tenth of a mile, between Hillburn and Dunford?

• 4.0 miles

• 5.1 miles

• 6.4 miles

• 9.0 miles

Kendra lives 10 km from the northern tip of Swan Lake and 6 km from the southern tip of Swan Lake. What is the north-south distance across Swan Lake?

• 4 km

• 8 km

• 12 km

• 20 km

What is the length, in units, of the line segment with endpoints at (1, 4) and (3, 7)?

• √5

• √13

• √15

• √137

Which of the following could be the lengths of the side of a right triangle?

• 5.1 cm, 3.4 cm, 8.5 cm

• 5.1 cm, 6.8 cm, 8.5 cm

• 5.1 cm, 8.5 cm, 8.5 cm

• 5.1 cm, 6.8 cm, 10.2 cm

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• 15.7

• None of them

a = 2.1, b = 7.2, c = 7.5
Is this a right triangle?

• yes 
• no

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

• 25 feet
• 26 feet
• 27 feet
• 28 feet

Tags

CCSS.8.G.B.8

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

• 17 miles
• 42 miles
• 37 miles
• 40 miles

Tags

CCSS.8.G.B.8