An open water tank is to be painted inside alongwith its bottom .if the length breadth and depth of the tank are 15m, 8m and 3m respectively.find the cost of painting at the rate of Rs.5 per square metre
Answers
Answered by
9
Hey mate, here's your answer
Attachments:
Answered by
7
Length = 15 m
Breadth = 8 m
Depth (Height) = 3 m
Area of 4 walls + base = 2(bh+hl)+lb
= 2(8×3+3×15)+15×8
= 2 (24+45)+120
=2×69+120
=138+120
=258m²
Cost of painting 1m²= ₹5
Cost of painting 258m² = ₹5×258 = ₹1290
Hope it helps:)
Please mark as brainliest
Breadth = 8 m
Depth (Height) = 3 m
Area of 4 walls + base = 2(bh+hl)+lb
= 2(8×3+3×15)+15×8
= 2 (24+45)+120
=2×69+120
=138+120
=258m²
Cost of painting 1m²= ₹5
Cost of painting 258m² = ₹5×258 = ₹1290
Hope it helps:)
Please mark as brainliest
Similar questions