Chapter 4 Test Review

A scale on a map shows 1 cm for every 117 km. Two cities are 85.26 cm apart on the map. How far apart are they?

• 9.975 cm

• 9.975 km

• 9,975 km

• 9,975 cm

Find the circumference of a circle whose diameter is 3.2 meters. Round to the nearest tenth.

• 32.2 m

• 8 m

• 10 m

• 5 m

The diameter of a circle is 9 ft. What is the circumference? Round to the nearest tenth.

• 28.3 ft

• 63.6 ft

• 4.5 ft

• 14.1 ft

Suppose the base and height of the parallelogram shown below are multiplied by 5. What effect does this have on the area of the parallelogram? Explain your reasoning. Formula: A = bh

• 25 times bigger

• 5 times bigger

• 10 times bigger

• It stays the same.

Triangle UVW  and triangle XYZ are similar. What is the length of VW?

A pattern for a rectangular flag is 1.5 inches wide and 3 inches long. The scale of the pattern is 1 inch = 2.5 feet. The flag will be divided into three congruent sections. One section will be made of purple fabric. How much purple fabric is needed for the banner?

• 28.125 ft²

• 9 ft²     

• 14.0625 ft²       

• 9.375 ft²

Determine the radius of the circle with the given dimensions.

d = 32 m

Rectangle ABCD has side lengths of 28 millimeters and 16 millimeters. Rectangle LMNP has side lengths of 7 millimeters and 8 millimeters. Are the rectangles similar?

• Yes

• No

• 13.5 in x 17 in

• 13.5 x 17

• 13.5 ft x 17 ft

A patio door is 72 inches wide. If a drawing of the door is made with a scale of 2 in. = 3 ft, what is the width of the door on the drawing?

• 4 in

• 5.5 in

• 9 in

• 48 in