Answer:
50.27 square inches (in²)
Step-by-step explanation:
Area = π·r2 = 3.14·42 = 50.27 square inches(*)
d = 8
C = 25.1
A = πr2 = π(d
A = _C²_
4π
π = 3.1415
A = area
C = circumference or perimeter
r = radius, d = diameter
Answer:
a) x = 3
b) x = 10
c) x = 28
Explanation:
a)

collect term

simplify

divide both both sides by 6

b)

distribute

collect terms

combine

divide both sides by 15

c)

collect like terms

combine

cross multiply

simplify
