Find the cost of painting square board of side 36 cm at the rate of $ 4 per sq. cm. ( A ) 5,184(B)4,890 ( C ) 5,264(D)6,400
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Answer:
Opt.A) $ 5,184
Step-by-step explanation:
Given:
Side of square board = 36 cm
To find: Cost of painting square board at rate of $ 4 per cm²
We know that,
Area of square = (Side)²
= (36)²
= 1296 cm²
Now, Cost of painting square board at rate of $ 4 per cm²
= 1296 × 4
= $ 5,184
Thus, Answer: Opt. A) $ 5184
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