Answer:

Step-by-step explanation:

Cos(x) = 50/100
part a) x= 60°
<span>part b) height is 86.60254040</span>
25.05 in
Perimeter you just add all of the sides together.
Answer:
30
Step-by-step explanation:
3/5 = he has 5 at the end.
gave 2/3 to son which means 15 out of 10 to son.
gave half to daughter which is 15/30, so he ends up with 2 and the least amount he can start with is 30.