Ch 9 test

The volume of a prism is 1000 cubic centimeters. A similar prism has a volume of 27 cubic centimeters. What is the ratio of their surface areas?

• 100:9

• 10:3

• 500:13.5

• 100:2.7

What 3D image does this net create?

• Cone

• Cylinder

• Cube

• Circular Pyramid

What 3D solid does this net create?

• Triangular Pyramid

• Triangular Prism

• Rectangular Prism

• Square Pyramid

Describe the cross section

• Rectangle

• Triangle

• Trapezoid

• Square

A spherical balloon with a 10" diameter is filled with 0.3 grams of helium. What is the density of helium in the balloon? Round to the hundred thousandths, type number only

A pyramid has a square base with side length 6 feet. If the volume of the pyramid is 240 cubic feet, what is the height?

• 20 ft

• 120 ft

• 40 ft

• 280 ft

A right triangle whose coordinates are (9, 2), (15, 2) and (15, 10). Find the area of the given triangle.

• 24 unit square

• 54 unit square

• 48 unit square

• 42 unit square

A right triangle whose coordinates are (9, 2), (15, 2) and (15, 10). Find the perimeter of the given right triangle.

• 100

• 24

• 64

• 36

A snow globe has a diameter of 3 cm. Find the volume of the globe.

• 10.60 cm3

• 14.14 cm3

• 84.82 cm3

• 113.10 cm3

How much salt is needed to fill a pit that is 10m deep and 8m wide and 12 m long

• 960m3

• 30m3

• 320m3

• 3016m3