Θ =

= 10
a = 18cos36
b = 18sin36
Area = 10×

×18sin36×18cos36 = 770.36
Answer:
8.33333
Step-by-step explanation:
VW = VC + CW
61 = z + 13 + z + 8 = 2z + 21
2z = 61 - 21 = 40
z = 40/2 = 20
z = 20.
Answer:
10 i think thats not really a questuon tho
Answer:
perimeter is the sum of all sides
sum of all sides here is 5+5+11+7 = 28m