The answer would be A.132 because when you add the corner length to 90 it equals 132
B B B
B is the correct answer
ECH is an acute angle.
FCG is also an acute angle.
Answer:
Step-by-step explanation:
s=rtheta
s/r=theta
11.5/25=theta
theta=.46
Answer:
It should have 20 vertices, and the name is dodecahedron