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Find the area of the composite figure
asked
Oct 8, 2018
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Find the area of the composite figure
Mathematics
middle-school
Sevenflow
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Sevenflow
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2
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7
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Greetings and Happy Holidays!
Let Statements:
Let l represent the length of square
Let w represent the width of a square
Let b represent the base of a triangle
Let h represent the height of a triangle
Let r represent the radius of a semi-circle
Formula for the area of a
square
:
Input
the values of the variables:
The Area of the
Square
is:
Formula for the area of the
Triangle
(s):
Input
the values of the variables:
Solve
using the order of operations.
The Area of the
Triangle
is:
Formula for the area of a
semi-circle
:
Input
the values of the variables:
Solve
using the order of operations.
The Area of the
Semi-Circle
is:
Now, to find the total area of the composite shape, we must add up all the values:
Input
the values of the variables:
Solve
using the order of operations.
The Answer Is:
The total area of the composite shape is
311.235 ft²
I hope this helped!
-Benjamin
Kimmi
answered
Oct 10, 2018
by
Kimmi
8.4k
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3
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Area of the two triangles = 5*8 = 40 ft^2
Area of rectangle = 18*8 = 144 ft^2
Area of semicircle = 0.5*π*9^2 = 40.5π ft^2
Total area = 40 + 144 + 40.5π = 311 ft^2 (3 s.f.)
Kshitij Godara
answered
Oct 14, 2018
by
Kshitij Godara
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