Unit Test — Unit test Answers

A cylinder has a radius of 2.8 inches and a height of 2.4 inches. Which cylinder is similar?

The two square pyramids are similar. The side length of the smaller pyramid is the side length of the larger pyramid.

A solid oblique cone with a slant length of 17 units is placed inside an empty cylinder with a congruent base of radius 8 units and a height of 15 units.

The diameter of the base of the cone measures 8 units. The height measures 6 units.

A solid right pyramid has a regular hexagonal base with an area of 7.4 units2. The pyramid has a height of 6 units.

The base of a solid right pyramid is a regular hexagon with a radius of 2x units and an apothem of units.

A solid right pyramid has a regular hexagonal base with an area of 5.2 cm2 and a height of h cm.

Two cones are similar. The surface area of the larger cone is 65π square inches. The surface area of the smaller cone is 41.6π square inches. The radius of the smaller cone is 6.4 inches. What is the radius of the larger cone?

Two triangular prisms are similar. The perimeter of each face of one prism is double the perimeter of the corresponding face of the other prism. How are the surface areas of the figures related?

The volume of an object is equal to the ratio of its mass to density, V = . The mass of a spherical grape is 8.4 grams and its density is 2 grams per cubic centimeter.What is the radius of the grape? Round to the nearest tenth of a centimeter.

A solid oblique pyramid has a regular pentagonal base. The base has an edge length of 2.16 ft and an area of 8 ft2. Angle ACB measures 30°.

An oblique cylinder is shown.

An oblique cylinder has a diameter of 14 units. The volume of the cylinder is 1,176π cubic units.

A cone has a slant length of 5 and a diameter of 4.

A cylindrical cardboard tube with a diameter of 8 centimeters and a height of 20 centimeters is used to package a gift.

A solid oblique pyramid has an equilateral triangle as a base with an edge length of 4 cm and an area of 12 cm2.

The radius of a sphere is 6 units.

The base of a solid oblique pyramid is an equilateral triangle with a base edge length of 18 inches.