Question

Length of square classroom is 15 m. Find the cost of fixing coloured tiles on classroom at the rate of Rs.20 per 1 meter?

Answer 1

SOLUTION :

GIVEN :

Length of the square classroom = 15 m

Perimeter of the square = 4 × side(length)

Perimeter of the square classroom = 4 × 15 = 60 m

Perimeter of the square classroom = 60 m

Cost of fixing Coloured tiles for 1m = ₹ 20

Cost of fixing Coloured tiles for 60 m= ₹ 20 × 60 = ₹ 1200

Hence, Cost of fixing Coloured tiles on classroom is ₹1200.

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Answer 2

Answer:

Cost of fixing tiles = Rs 4500

Step-by-step explanation:

Given length of the square

class room ( a ) = 15 m

Area of the class room ( A ) = a²

= ( 15 m )²

= 225 sq m

It is given that ,

Cost of fixing 1 sq m tile = Rs 20

Now ,

Cost of fixing tiles 225 sq m

= 20 × 225

= Rs 4500

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