Math, asked by sailajasuribabu, 7 months ago

dimensions of a hall is 10m×9m×8m find the cost of white washing the walls and ceiling at the rate of Rs.8.50 per sq.m

Answers

Answered by suchismitasahoo205

5

Answer:

Rs 3349

Step-by-step explanation:

Given: Length=10m

Breadth=9m

Height=8m

Curved Surface Area=2(l+b)h

=2(10m+9m)8m

=2*19*8m

=304m²

Area of ceiling=l*b

=10*9m²

=90m²

Total Area=304+90m

=394m

cost =Rs 394*8.5

= Rs 3349

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