Question

a solid concrete terrace consist of 3 steps and a landing. The steps have a tread of 7in., a rise of 11in., and a length of 7ft., the landing is 6 ft. by 7th. How much material was used in its construction?

Answer 1

pls help

Answer 2

how to get the area?

Answer 3

tread = 4.08ft^2
rise = 6.42ft^2
landing = 42ft^2
is this correct?

Answer 4

answer is 68.5ft^2

Answer 5

answer is 73.5.

Answer 6

sorry i miscompute the rise

Answer 7

thanks :) you are a big help. i was able to understand it very well..

Answer 8

This is a solid structure. I don't know if I need to add another step or not. As shown the third step will put you on the landing.