Volume of Cylinders, Cones, and Spheres — Unit test

Question 1

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

Revolt · Accepted Answer

units2

Question 2

The right isosceles triangle shown is rotated about line k with the base forming perpendicular to k. The perimeter of the triangle is 58 units.

Revolt · Accepted Answer

a cone with a base radius of 17 units

Question 3

Every possible cross section of a three-dimensional figure is a circle. What is the figure?

Revolt · Accepted Answer

sphere

Question 4

The hypotenuse of a 45°-45°-90° triangle measures 128 cm.

Revolt · Accepted Answer

cm

Question 5

An oblique prism has a volume of 144 cubic units. The area of its base is 24 square units.What is the perpendicular height of the prism?

Revolt · Accepted Answer

6 units

Question 6

A hole the size of a photograph is cut from a red piece of paper to use in a picture frame.

Revolt · Accepted Answer

47 square units

Question 7

Which polygon is a concave octagon?

Revolt · Accepted Answer

A polygon has 8 sides. One angle goes inside of the shape.

Question 8

Which triangle is a 30°-60°-90° triangle?

Revolt · Accepted Answer

A triangle has side lengths of 5, 10, and 5 StartRoot 3 EndRoot.

Question 9

For a project, Carlos must provide one cut-out paper model of each type of triangle: acute, right, and obtuse. He sketches each triangle on graph paper before making the models.

Revolt · Accepted Answer

13 square units

Question 10

Polygon A B C D is shown with exterior angles. Exterior angle A is 25 degrees, exterior angle B is 146 degrees, and exterior angle D is 149 degrees.

Revolt · Accepted Answer

140º

Volume of Cylinders, Cones, and Spheres — Unit test Answers

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