if the roof is 7 m from peak to eave and the attic space is 3 m high at the peak, how long does each of the pieces of insulation need to be? Round to the nearest tenth.
2007-01-23 21:40:46 · 5 answers · asked by Pushpendra C 1 in Science & Mathematics ➔ Mathematics
This is a description of a right triangle. 7 m is they hypotenuse, and 3m is the length of one leg. Using the Pythagorean theorem, the other leg would be sqrt(7^2 - 3^2) = sqrt(49 - 9) = sqrt(40) = 6.3.
2007-01-23 21:46:56 · answer #1 · answered by DavidK93 7 · 2⤊ 0⤋
6.3 m
x^2 + 3^2 = 7^2
x^2 = 49 - 9
x^2 = 40
x = 6.325
2007-01-24 05:49:15 · answer #2 · answered by cp_exit_105 4 · 0⤊ 0⤋
6.3 metres long, hope this helps
2007-01-24 05:48:44 · answer #3 · answered by togs 3 · 1⤊ 0⤋
it is almost stander ed
2007-01-24 05:51:08 · answer #4 · answered by Anonymous · 0⤊ 0⤋
16.3 m
2007-01-24 06:13:23 · answer #5 · answered by Spaceman Spiff 3 · 0⤊ 0⤋