Question

Please help find the missing part.

Answer 1

Explanation:

x²=8²+10²=64+100=164

x=√164=12.8

`tan~y=(8)/(10)=0.8\\y=tan ^(-1)(0.8) \approx 38.7 ^\circ\\ tan ~z=(10)/(8)=1.25\\z=tan^(-1)(1.25) \approx 51.3 ^\circ`