Answer:
7
Step-by-step explanation:
 
        
             
        
        
        
Answer:
X = 108.
Step-by-step explanation:
Heights are equal, So equation will be,

So, solving the eq.
Subtract 4 from both sides ,

Divide 3 to both sides,

Squaring both sides,

Add 8 to both sides,

 
        
             
        
        
        
The formula is (degree)x(pi÷180)
36 x pi ÷ 180
0.63 rad