Unit 4 Study Guide

Unit 4 Study Guide

Types of Angles

Acute

Obtuse

Right

Vertical

Complementary

Supplementary

Types of Triangles

Right

Isosceles

Equilateral

Multiple Choice

Which triangle most likely has the angles 55°, 47°, and 75°?

• Triangle A

• Triangle B

• Triangle C

• Triangle D

Multiple Choice

Which pair of angles are vertical angles?

• 1 and 3

• 2 and 4

• 3 and 5

• 5 and 2

Triangle Inequality Theorem

• What is the definition?

• How do you use it to find out if 3 given sides will create a triangle?

Multiple Select

Which side length combinations will create a triangle? Select each correct

statement.

• 20 in., 4 in., 18 in.

• 5 ft, 3 ft, 2 ft

• 45 cm, 15 cm, 20 cm

• 8 yd, 7yd, 12 yd

Multiple Choice

The drawing above shows the shape of a piece of stained glass. Find the measure of ∠B

• 90°

• 120°

• 130°

• 180°

Multiple Choice

Heather drew the diagram above with the angle measures shown. Which two angles are supplementary?

• ∠1 and ∠4

• ∠1 and ∠2

• ∠2 and ∠3

• ∠4 and ∠5

Multiple Choice

What is the measure of angle x in the figure below?

• 30°

• 60°

• 120°

• 180°

Volume

What is the formula for volume?

Surface Area

How do you calculate surface area?

Multiple Choice

Kevin wants to measure the area of his living room. The living room is a rectangle with a semi-circular alcove. What is the area of the room? Use 3.14 for π.

• 244.26 ft 2

• 201.87 ft 2

• 225.42 ft 2

• 230.13 ft 2

Parts of a Circle

What are the parts of a circle?

Multiple Choice

What is the length of the diameter of the circle above?

• 6 1/2 in.

• 7 1/2 in.

• 14 63/1,000 in.

• 23 in.

Area of Circles and Circumference

What are the formulas for area of a circle and circumference?

Multiple Choice

A half dollar has a diameter of 3 cm. Which equation can be used for it's circumference?

• C = π × 3

• C = 2 × π × 3

• C = π × 1.5

• C = π × 3 ²

Multiple Choice

The volume of a prism is 18 cubic inches. What is the volume of a pyramid with the same base and height?

• 6 cubic inches

• 12 cubic inches

• 18 cubic inches

• 54 cubic inches