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seraphim [82]
3 years ago
11

What is the surface area of a sphere that has a diameter of 1.5 in.? A) 7.07 in.2 B) 8.64 in.2 C) 18.84 in.2 D) 28.26 in.2

Mathematics
1 answer:
Aleks [24]3 years ago
7 0
Hello!

To find the surface area of a sphere you use the equation

A = 4 \pi r^{2}

A is surface area
r is radius

Put in the values you know and 3.14 for pi

A = 4 * 3.14 * 1.5^{2}

Square the number

A = 4 * 3.14 * 2.25

Multiply

A = 28.26

The answer is D)28.26in squared

Hope this helps!
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