Answer:
Surface area of sphere = 4πr²
r = radius
and radius = diameter/2
radius = 13/2
= 6.5cm
Surface area = 4 × π × 6.5
= 26 × π
= 81.68
= 81.7cm²
Hope this helps.
Answer:
48 square m
Step-by-step explanation:
The area of a parallelogram is simply b * h, where b is base and h is height. In this case, b = 8 and h = 6. So:
A = bh = 8 * 6 = 48 square m
Answer: It's 3.8
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
90/10= 9
90/5= 18
No number larger than 90 would work.