what is the cost of painting a rectangular board of length 13 cm and breadth 19 cm and the rate on the rate of ₹9 per 100 square meter
Answers
Answer:
area of the rectangular board = 13cm×19cm
area= 247cm²
cost of per 100m²=9rs
cost of 0.0247m²= 9×0.0247
=0.2223 rs
hey mate I think you have made a mistake in question if it is 9₹ per 100 square centimeter so I have another answer for you
cost of per 100cm²= 9rs
cost of 247cm²= 2.47×9= ₹22.23
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Cost of painting a rectangular board = ₹22.23
Step-by-step explanation:
GIVEN
Length = 13 cm
Breadth = 19 cm
Rate of 1 meter = ₹9
___________________________
TO FIND
Cost of painting a rectangular board
___________________________
We know that,
Area Of Rectangle = Length × Breadth
Area Of Rectangle = 13 × 19
Area Of Rectangle = 247
Area Of Rectangle = 247 cm²
___________________________
Now let's find the cost of painting a rectangular board
We know that,
The rate is ₹9 per square m
Rate of 1 meter = ₹9
Rate of 1 cm = 9 / 100
Rate of 1 cm = 0.09
Rate of 1 cm = ₹0.09
Cost of painting a rectangular board = 0.09 × 247
Cost of painting a rectangular board = 22.23