7. The perimeter of a square
circumscribing a circle of radius a cm
is :
a. 8a
b. 4a
c. 2a
d. 16a
Answers
Answered by
0
Answer:
c
is the correct answer
Explanation:
Answered by
3
Correct option is A
8a
Let ABCD is a square circumscribing a circle of radius
′
a
′
cm.
The side of square ABCD = Diameter of circle
⇒AB=2a
Therefore, perimeter of square AB(1)=4×AB=4×2a=8acm
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