AnswersIntegrated Math II FullArea of Composite Figures

Area of Composite Figures — Unit test Answers

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21
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A circular rug has a radius of 4.5 feet. What is the circumference of the rug? Use 3.14 for and round to the hundredths place.

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A
14.13
B
28.26
C
44.37
D
88.74
22
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Kasia wants to create a triangle with angles measuring , , and . She says that only one unique triangle is possible given these angle measures. Which statement about Kasia’s claim is true?

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A
Kasia is incorrect. Since the angles sum to and no side lengths are given, multiple triangles can be drawn with these angle measures.
Option A
B
Kasia is incorrect. No triangle can be made with these angle measures because they do not sum to .
Option B
C
Kasia is correct. Since the angles sum to and no measurements are given, only one unique triangle is possible.
Option C
D
Kasia is correct. Since the angles do not sum to , only one unique triangle is possible.
Option D
24

What shapes can the composite figure be decomposed into? Select two options.

Question illustration
A
a rectangle and a triangle
B
a rectangle and two triangles
C
a square and two triangles
D
two rectangles
E
two trapezoids
25

Yu-Xi draws a triangle with two angles measuring and . What is the measure, in degrees, of the third angle?

Question illustration
A
78
B
79
C
101
D
102
27

Which statement is true about the circumference of a circle?

A
The circumference is the measurement around the circle.
B
The circumference is the measurement of the radius.
C
The circumference is the measurement of the diameter.
D
The circumference is double the radius.
28

If is 155°, what is ?

Question illustration
A
25°
B
35°
C
155°
D
180°

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