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Date,
Geometry
Worksheet - 10.1-10.2
1.
The area of a trapezoid is 80 square units. If
its height is 8 units, find the length of its
median.
3.
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Period
2. A rhombus has an angle measure of 120, and its
shorter diagonal has a length of 10 inches.
Find the area of the rhombus.
developer wanted to blacktop the shaded portion of this corner building site.
if blacktopping costs $5 per square meter?
How much will it cost
48m
4.
The area of an isosceles trapezoid is 76 square
inches, the height is 4 inches, and the
congruent sides of the trapezoid are 5 inches
long. Find the lengths of the bases. '
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Suppose the perimeter of rhombus AB~D is,20
and AC = 8. Find the area of the rhombus.
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city planner measured the distances shown from the old oak, the big rock, and the flag to the eastwest line. Other distances along the line are shown. What is the area of the city park?
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106m
48m
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7.
The area of an 8 by 10, rectangular picture and
its white border of uniform width is 120 u2•
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The shorter diagonal of a rhombus has the
same length as a side. Find the area if the
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diagonal, is 12 cm. long. ~
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9_ Find the area of an isosceles triangle with base
angles each measuring 30° and the legs
measuring 10 em. each.
10. Find the area of trapezoid
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12. Find the area of the shaded region.
11. Find the total area of the parallelogram.
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13.. A walk 3 feet wide surrounds a rectangular
grass plot 30 feet long and 18feet wide. Find
the area of the walk.
14. Find the area of the shaded region.
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16. Find the area of the trapezoid.
15.
6
Answers:
1. 10 units
2. 50../3 in2
3. $400
9. 25../3 cm2
10. 300 u2
-.11. 120 u2.
12. 85 u2
13. 324 ft2
4. 16 in. & 22 in
5. 24 u2
6. 18744 tn2
14.40
7. 1unit
15. 44.J3 u2
8. 24.J3 cm2
16. 80 u2
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