perimeter of each square
10. The figure shows an ancient coin which was
once used in China. The coin is in the shape of
a circle of radius 3 cm with a square of sides
ram removed from its centre. The area of each
face of the coin is 7 cm.
Form an equation in rand show that it reduces
to 21-r=0
Solve the equation 21 - r = 0.
Find the perimeter of the square.
I cm
rcm
3 cm
Answers
Answered by
1
Answer:
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Answered by
1
Answer:
The radius of the circle is 3 cm. So, it's area will be π(3)²= 28.28 cm². Now, the side length of the square is x cm. So, it's area will be x² cm².
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