Answer:
9. b) 3.14 m²
10. d) 36.98 cm²
Step-by-step explanation:
9: Area of circle: πr²
one fourth of a circle, so its 1/4πr²
1/4*3.14*2²
1/4*3.14*4
3.14
10.
Diameter is 4.3 so the width of rectangle is 4.3
both circle has diameter of 4.3 so the length is 4.3*2 = 8.6
Area - L x W
4.3*8.6
= 36.98
