A roof of dimensions 6.5× 5.5 is covered on all sides by a 1 m highwall of width 30cm.the remaining part of the roof is covered with a waterproof covering at rupees 9 per metre square
find the total cost of waterproofing
please answer
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Answer:
Step-by-step explanation:
ans is:260.19
length=6.5m
breadth=5.5m
width of the wall built on the roof=30 cm
(THERE IS N NEED OF THE HIEGHT OF THE WALL)
new length=6.5-0.6=5.9m
new breadth=5.5-0.6=4.9m
(HERE 0.6 IS 60cm SUBTRACTED FROM BOTH LENGTH AND BREADTH)
new are of the roof i.e. the remaining part of the roof=5.9x4.9=28.91m^2
cost of waterproofing this area=28.91x9
(9rs/m^2 GIVEN)
=rs 260.19
HOPE U FIND THIS HELPFUL!! KEEP GOING ALL THE BEST!
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