Pre AP Geometry Ch 11 Study Guide
Round to the tenth if necessary.
11.1
Find the area of each parallelogram or triangle.
2)
f^=SC.Cc^i
4) The height of a parallelogram is 5 feet more than its 5) The base of a triangle is four times its height. If the
base. If the area of the parallelogram is 204 square
area of the triangle is 242 square millimeters, find its base
feet, find its base and height.
_^^^^_^^eight.
^^(^f,X^)
11.2
^
Find the area of each trapezoid, rhombus, or kite.
5)
7)
Ik
8)
31m
-16.4 in.11 cm
4r
i(0^3l^/^)
^-' r4J^
IQyk trapezoid has base lengths bf
"11)
11) One diagonal of a kite is twice as
19.5 and 24.5 centimeters with an
long as the other diagonal. If the area
area of 154 cm^ What is the height of of the kite is 400 square meters, what
the trapezoid? ^ - k ^ b , - ^ b ^ ^
are the lengths of the diagonals?
A|A12) A trapezoid has a height of 40
inches, a base of 15 inches, and an
area of 2400 square inches. What is
the length of the other base?
iHJP'
11.3
13) Find the area of the circle.
Find the area of each shaded sector
14)
A
c
15)
^(^(b.Ai<^
17) The area of a circle is 3.14 square 18) Find the diameter of a circle with
an area of 855.3 square millimeters.
centimeters. Find the diameter.
11.4
Find the area of each regular polygon.
20)
19) The area of a circle 201.1 square
inches. Find the length of the radius.
22)
>rv3=
X
Find the area of each figure.
24)
23)
K-20 mm—I
IBft-XH
25)
h-9mH
26)
^^JoinH
22 ft'
p mm
30 in.
/4 = /3" rt^-t^<^''.''''^
AS'
AnZ"
A^
A=^'76A-
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A
11.5
For each pair of similar figures, find the area of the shaded figure.
28)
27)
3m
X'
wl
X '
A
4 = 38 m2
SUl
•tJX}
Use the given areas to find the scale factor from the unshaded to the shaded figure. Then find x.
7 cm
29)
I
1
I
7
30)
17
4 = 30 cm^
4 = 50 m2
7lX-^3Zcu
So
SO
6W
^
^ = ^2m2
6. -7
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