Answer: 254.34
Step-by-step explanation:
The area of a circle is calculated by the formula A=π r²
A = Area
r² = radius squared
Putting the numbers into the formula:
A = 3.14 x 9²
A = 3.14 x 81
A = 254.34
Answer:
triangular prism
Step-by-step explanation:
the name of the solid is ussualy the base of the shape
Answer:
16 ft³
Step-by-step explanation:
4ft x 2ft x 2ft = 4ft x 4ft = 16 ft³
Answer:
25
Step-by-step explanation:
6x + 30 = 180
6x = 150
x = 25