I believe that makes the two angles acute, because they are less then 90 degrees.
area = PI x r^2
radius = 1/2 diameter
1/2 of 8 = 4
3.14 x 4^2 = 3.14 x 16 = 50.24 square inches ( answer may vary depending on what you use for PI. 3.14 is common)
Answer:
x=12
Step-by-step explanation:
Using Proportion:
Answer:
B
Step-by-step explanation:
Elimanited C and D