11. Find the area of a square field whose each side is 64 cm
12. The cost of a ball is Rs. 19.20. Find the cost of 11 such balls
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Answer:
11) Area of a square is s × s
= 64 × 64
= 4,096
12) The cost of a ball = 19.20 ₹
The cost of 11 balls = 19.20 × 11
= 211.2 ₹
Step-by-step explanation:
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2
Step-by-step explanation:
11.
Given
side of squar (a) =64 cm
area of square =a^2
=64*64
=4096 cm^2
12.
Cost of one ball is Rs 19.20
the cost of 11 balls = 11*cost of one ball
the cost of 11 balls = 11*19.20
= 211.2
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