11_6X Classwork.pdf

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NAME DATE SCORE __
Test 43 . Areas of Polygons
Directions: Write answers in the spaces provided.
1. Use dashed lines to show three different ways the given figure can
be divided into four triangles that do not overlap.
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Answers
(See question)
1. (3)
2. (5)
3. (5)
4. (5)
5. (5)
In Questions 2-9, find the area of each figure.
2. A rectangle with base 5 and height 12
C)
3. A parallelogram with base 9 and height 4
4. A triangle with base 11 and height 8
5. A square with perimeter 28
6. A trapezoid with bases 6 and 15 and height 12
7. A rhombus with diagonals of lengths 18 and 30
8. A regular polygon with apothem 9 and perimeter 40
9. An isosceles triangle with sides of lengths 10, 10, and 12
10. The area of a square is 50. Find the length of a diagonal.
11. A rectangle has width represented by x and length represented by
4x. If the area of the rectangle is 80, find the value of x.
6. (5)
7. (5)
8. (5)
9. (5)
10. (7)
11. (7)
12. (7)
13. (7)
14. (7)
15. (7)
16. (7)
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In Questions 12-16, find the area of each figure.
.In Question 17, find CF.
12. 8 13. D 10 14.
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12 R 10 T
17. (8)
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16. B 8 C 17.
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TESTS for GEOMETRY
Copyright © by Houghton Mifflin Company. All rights reserved. SHEET 67

NAME
DATE
SCORE __
Test 44
Supplementary Test
[) 1..(0)( CW I
Directions: Write answers in the spaces provided.
1. Which ratio represents the number 7r
(A) diameter : radius
(C) circumference : diameter
2. The radius of a circle is 9.
a. Find the circumference in terms of 7r.
b. Find the area in terms of 7r.
3. The diameter of a circle is 22. Use 7r :=== 3.14.
a. Find the circumference to the nearest tenth.
b. Find the area to the nearest tenth.
(B) diameter : circumference
(D) circumference: radius
4. The area of a circle is 207r. Find the radius in simplest form.
5. A central angle of a circle has measure 50. The radius of the circle
is 18. FInd the area of the sector in the interior of the angle in
terms of 7r.
6. A circle has a radius of 12. If an arc of the circle has measure 100,
find the length of the arc in terms of 7r.
7. In a circle, the length of an arc with measure 120 is 147r. Find the
radius of the circle.
8. In terms of 7r, how much farther does a 70 cm diameter bicycle tire
travel in one revolution than a 50 cm diameter bicycle tire
Find the area of each shaded region in terms of 7r. Point 0 marks the
center of a circle.
9. 10. 11.
Answers
1. (5)
2. a. (5)
b. (5)
3. a. (5)
b. (5)
4. (6)
5. (7)
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7. (7)
8. (8)
9. (8)
10. (8)
11. (8)
12. (8)
13. (8)
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12. 13.
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SHEET 68
TESTS for GEOMETRY
Copyright © by Houghton Mifflin Company. All rights reserved.
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