Supplementary angles add up to 180 degrees, so look for two angles by each other that add up to 180 degrees.
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V = πr2<span>h
V = 3.14 x 7 x 7 x 10</span><span>
V = </span>1538.6 cubic meters.
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A,10 cm if you like this answer explained to you let me know
To find the length of the wire, use the Pythagorean theorem
a^2 + b^2 = c^2
18^2 + 40^2 = c ^2
324 + 1600 = c^2
1924 = c^2
44 = c
The wire is approximately 44 feet.