Chapter 11 Unit TEST: Circumference and Area

Question 1

A square is inscribed in a circle of diameter 12 millimeters. What is the area of the shaded region?

Revolt · Accepted Answer

(72π – 144) mm2

Question 2

A scientist has four petri dishes of different sizes. Each dish contains a different number of bacteria.

Revolt · Accepted Answer

Dish C and Dish D have approximately the same population density.

Question 3

Four circles, each with a radius of 2 inches, are removed from a square.

Revolt · Accepted Answer

(64 – 16π) in.2

Question 4

On a coordinate plane, parallelogram R S T U is shown. Point R is at (1, 1), point S is at (7, 0), point T is at (10, 4), and point U is at (4, 5).

Revolt · Accepted Answer

5.4 units

Question 5

On a coordinate plane, triangle A B C has points (1, 1), (4, 0), (3, 5).

Revolt · Accepted Answer

7 square units

Question 6

A smaller rectangle is inside of a larger rectangle. The smaller rectangle has sides lengths of 9 x and 6 x. The distance to the larger rectangle on all sides is x. The space between the smaller rectangle and the larger rectangle is shaded.

Revolt · Accepted Answer

34x2

Question 7

A regular hexagon has a radius of 20 in. What is the approximate area of the hexagon?

Revolt · Accepted Answer

1,038 in.2

Question 8

On a coordinate plane, kite W X Y Z has points (1, 1), (3, 4), (5, 1), (3, negative 3).

Revolt · Accepted Answer

16.2 units

Question 9

Kite A B C D is shown. Lines are drawn from point A to point C and from point B to point D and intersect.

Revolt · Accepted Answer

30 square units

Question 10

On a coordinate plane, triangle Q R S has points (negative 1, 2), (1, negative 4), (negative 2, negative 2).

Revolt · Accepted Answer

7 square units

Chapter 11 Unit TEST: Circumference and Area Answers

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