8.GM.3 Checkpoint 3 Geometry and Measurement Quiz

A carpenter has a square piece of wood with side lengths of 8 inches. He cuts the square diagonally, creating two right triangles. What is the length, in inches, of the longest side of the resulting right triangle?

• 8

• 10

• 12

• 11

An athlete runs the trails in a park. Trail A forms a rectangle around the perimeter of the park. The short sides are 0.5 miles long and the long sides are 1.5 miles long. Trail B forms a diagonal from one corner of the park to the opposite corner. What is the length of Trail B, in miles? Round your answer to the nearest tenth.

• 1.5

• 1.6

• 1.7

• 2.0

An isosceles trapezoid has bases measuring 10 cm and 6 cm, with non-parallel sides measuring 5 cm. What is the height of the trapezoid, in centimeters? round to the nearest whole number.

• 2

• 3

• 4

• 5

A rectangular garden measures 9 feet by 12 feet. What is the length of the diagonal, in feet?

• 15

• 14

• 13

• 12

A ladder leans against a wall. The base of the ladder is 6 feet from the wall, and the ladder reaches 8 feet up the wall. What is the length of the ladder, in feet?

• 10

• 9

• 8.5

• 12

Find the distance between the points (3, 4) and (7, 1) on a coordinate plane. Round your answer to the nearest tenth.

• 3.6

• 4.5

• 5.0

• 6.4

A square has side lengths of 5 inches. What is the length of the diagonal, in inches? Round to the nearest tenth.

• 5.5

• 6.2

• 7.1

• 8.0

A right triangle has legs of lengths 7 cm and 24 cm. What is the length of the hypotenuse?

• 24

• 25

• 26

• 27

A kite string is 20 feet long and is anchored to the ground. The kite is flying 16 feet above the ground. How far is the kite horizontally from the person holding the string? Round to the nearest tenth.

• 10.2

• 12.0

• 14.3

• 15.6

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

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CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8