Question 1105348
.
<pre>
Angle C is, obviously, 180° - (30°+60°) = 90°.


In an  (30°,60°,90°)  triangle the hypotenuse length is twice the shorter leg length.


Therefore, the shorter leg is  a = 5 ft,  the longer leg is  b = {{{5*sqrt(3)}}} ft  and  the hypotenuse  is  c = 10 ft.
</pre>