Answer:
a) 
b) 12.72 units
Step-by-step explanation:
Recall that the sine and cosine are completed functions.
This means that: 


Recall that: sine ratio is opposite/hypotenuse

This implies that:



X+52=149 x=97 hope this helped!
Answer:
Triangular prism?
Step-by-step explanation:
I done this riddle before but I dont remember to cleary of what the answer is.
Answer:
0.98386991
0.9839
Step-by-step explanation:

6, the formula is (b1+b2/2)*h
8+12/2=10
10*h=60 so h=6