Math, asked by yathesh12, 1 year ago

a rectangular room of dimension 8 metre into 6 m into 3 M is to be painted.if it cost rupees 60 per square metre, find the cost of painting the wall of the room

Answers

Answered by hdewangan
16
l = 8m
b = 6m
h = 3m

Area of four walls = 2 (bh + hl)

= 2 [ 6×3 + 3×8 ]

= 2 [ 18 + 24 ]

= 2 (42)

= 84 sq. m

Cost of painting 1 sq. m = 60 rs

Cost of painting 84 sq. m

= Rs 84 × 60

= 5040

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