Answer:
628.4 cm²
Step-by-step explanation:
Area of semicircle : (πr^2)/2
(3.152*(20^2)) / 2
(3.142 *400) /2
1256.8 / 2
628.4
4 (whole number) and 5/10 (.50 over 100)
Answer:
Cylinder: Radius: 6 in, height: 6 in
Step-by-step explanation:
See the attached image for a visual explanation!