Answer:
78.5 m²
Step-by-step explanation:
The formula to find the area of a quarter of a circle: , where
is the radius (diameter ÷ 2) and the
is alterable.
1) Substitute the given values into the formula.
=
2) Solve it.
=
= 78.5
3) Round it off to the nearest tenth. In this case, it has already been rounded off.