Find the area enclosed by each of the following figures
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Answers
Answered by
1
Answer:
384
Step-by-step explanation:
Lets divide the figure into 2 parts. One is a rectangle and the other one a trapezium.
20*15=300
(a+b/2)*h=84
300+84=384
Hope this helps
Answered by
0
Answer:
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Step-by-step explanation:
The given shape contains a rectangle and a semi-circle.
∴
Area of rectanlge
=
l
×
b
=
(
10.2
×
1.5
)
c
m
2
=
15.3
c
m
2
Here, diameter of semi-circle = (10.2 - 3.9) cm = 6.3 cm
So, radius
=
d
i
a
m
e
t
e
r
2
=
6.3
2
=
3.15
c
m
∴
Area of semi-circle
=
1
2
π
r
2
=
22
7
×
1
2
×
3.15
×
3.15
=
15.59
c
m
2
∴
Total area = Area of rectangle + Area of semi-circle
=
15.3
+
15.59
=
30.89
c
m
2
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