The answer is C since the sides are congruent
Answer:

Step-by-step explanation:
A linear equation is an equation in which a variable is in the first power.
The formula of a Circumference of a circle

The formula of an Area of a circle

The formula of a volume of a sphere

The Angles that cosine are Angles A,C,Z,and W
1) 6/11
2) 5/27
3) 42/11 or 3 9/11
4) 50/121