Question 4 explain how u got it ?
- KrishnamurthyLv 71 month ago
The area of the shaded part of each figure:
8.4^2 - 4.2^2 pi = 15.1423055907 m^2
9 pi cm^2 = 28.2743339 cm^2
- rotchmLv 71 month ago
a) Whats the area of the square?
- Mark IXLv 71 month ago
You know how to work out the area of a square (l x d) and you know how to work out the area of a circle (pi x r2). Simply remove the area of the circle from the area of the square.
Hint: the radius is half the diameter.