Find the cost of painting square board of side 9 cm at the rate of Rupees 4.5 per sq. cm.
Answers
Answered by
4
side=9cm
area of square=side × side
9×9
=81cm²
cost of 1cm²=₹4.5
cost of 81cm²=4.5×81
₹364.5
Answered by
3
Answer:
Area of square = side×side
=9×9 cm
=81 cm
Rate of rupees =4.5 per square cm.
=(81×4.5)
=364.5
=364.5 rupees is the cost of painting a square board.
Similar questions