8 A wire in the shape of a rectangle of length
the shape of a rectangle of length 18 cm and width 15 cm is reshaped and bent in the form of
a circle. Find the radius and area of the circle.
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1
Answer:
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Answered by
8
Answer:
10.5 cm
Step-by-step explanation:
The wire is in the shape of rectangle
length = 18 cm
breadth = 15 cm
now the wire is bent into a circle
so,
perimeter of rectangle = circumference of the circle
2(l+b) = 2πr
2(18 +15) = 2πr
2×33 = 2πr
66 = 2πr
66 × 7/ 2×22 = r
33 × 7/22 =r
21/2 = r
10.5 = r
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