The answer is a because you fill in 4 where 2(x) is for the x
Answer:
16
Step-by-step explanation:
2*8= 16
Answer:
R^{2} + S^{2} = T^{2}
Step-by-step explanation:
the pythagorean theorem
1) By the inscribed angle theorem, 
2) By the inscribed angle theorem, arc RT measures twice 63 degrees, or 126 degrees.