5. The shape of a garden is rectangular in the middle and semi-circular at the ends. Find the area
and the perimeter of this garden.
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5. The shape of a garden is rectangular in the middle and semi-circular at the ends. Find the area
and the perimeter of this garden.
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Answer:
Total area of the garden = Area of the rectangular portion + The sum of the areas of the pair of semi-circles
=l.b+2×
2
1
πr
2
=(13×7)m
2
+(
2×
2
1
×
7
22
×3.5×3.5
)m
2
=(91+38.5)m
2
=129.5m
2
.
Perimeter of the garden =2× length of rectangular portion + circumference of the circle
=(
2×13+2×
7
22
×3.5
)m
=(26+22)m=48m.
Answered By
toppr
: