Answer:
there is two solutions to that problem. you can find x is equal to two numbers.
Area of a circle = PI x r^2
Area = 3.14 x 11^2
Area = 3.14 x 121
Area = 379.94 square cm.
Cosine formula = adjacent/ hypotenuse
5 is the adjacent and 13 is the hypotenuse
ANSWER= D
B be because
8*3+8*2=24+16