Question

Please help with geometry

Answer 1

Use:
`A_\Delta=(1)/(2)ab\sin\alpha`

`a=503ft=(503)/(3)yd\approx168yd\\\\b=516ft=(516)/(3)yd=172yd\\\\\sin38^o\approx0.616`
Substitute:

`A_\Delta=(1)/(2)\cdot168\cdot172\cdot0.616\approx8,877yd^2`