Answer:
A= 254.34 m²
Step-by-step explanation:
to find area of a circle use this formula, A=r²
now just plug it in
A= 9²
A=81
SOLUTION
b.
c.
So we just have to find the LCM of the denominators, then we perform the rule of addition of fraction
link w/.w/e.w/.e././2.1/.31