04.21- Scaling

Multiple Choice

The area of the base of a triangular pyramid is 60 square inches. The height of the pyramid is 13 inches. What is the volume of the triangular pyramid in cubic inches.

• 390 in³

• 260 in³

• 780 in³

• 130 in³

Multiple Choice

Rectangle ABCD is similar to rectangle QRST.

If the length of side DC is 6 inches, what is the length of side TS?

• 8 in

• 12 in

• 20 in

• 18 in

Multiple Choice

Which measurements in centimeters represent the dimensions of a triangle that is similar to triangle QRS?

• 8 cm, 14 cm, 17 cm

• 12 cm, 20 cm, 25 cm

• 4 cm, 10 cm, 13 cm

• 12 cm, 24 cm, 30 cm

Multiple Choice

The scale of a room on a blueprint is 3 centimeters:1 foot. A window on the same blueprint is 18 centimeters. How long is the actual window?

• 12 ft

• 6 ft

• 24 ft

• 15 ft

Multiple Choice

The mass of a package is 4 kilograms. About how many pounds is the package?

(1 kg = 2.2 lbs)

• 8.8 lbs

• 4.4 lbs

• 6.2 lbs

• 12 lbs