Answer: B
Step-by-step explanation:
<span>7/10 = 0.7
hope it helps</span>
Answer:
it is b, 42 units² I'm sure
Answer:
A=236.5
b=122.5
Step-by-step explanation:
Answer:
48ft^2
Step-by-step explanation:
Given that:
Small and large Spheres have a scale factor of 1 : 3
Hence,
Smaller sphere = 1
Larger sphere = 3
Surface area of smaller sphere = 16ft^2
Hence,
Surface area of larger sphere = (3 * 16ft^2) = 48ft^2