Question

The floor of a rectangular hall has has a perimeter of 250cm . If it's height is 6cm . Find the cost of painting it's four walls at the rate of Rs 20 per cm square
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Answer 1

Answer:

30,000

Step-by-step explanation:

first find sum of length and breadth and put CSA formula and multiple it with 20 the answer will be similar

Answer 2

Given :-

Perimeter of floor = 250 cm

Height = 6 cm

Cost of painting 1m² = Rs.20

To Find :-

Cost of painting its four walls

Solution :-

Area of four walls = 250× 6

Area of 4 walls = 1500 m²

Then we will find the cost

Cost of painting 1 m² = ₹ 20

Cost of painting 4 walls = 1500 × 20

Cost of painting 4 walls = ₹ 30000

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Hope you understand this concept ☺