Answer:
5w^2 over 12 is your answer. hope it helped!
Step-by-step explanation:
x = 60°
let the missing angle be = x
Cos x = 8/16
x = Cos-¹ 0.5
always
231cm²
find the area of the rectangle. 12 x 11=132
find the area of the triangle. 9 x 11=99
add the two areas together. 99 + 132=231
the answer is B but I could be wrong so really sorry if I am
Hope this helps have a great day
