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Llana [10]
2 years ago
15

GUYS QUICK! what is the surface area of a sphere that has a radius of 5 cm

Mathematics
2 answers:
Schach [20]2 years ago
5 0
<h2><u>Answer:</u></h2>

\large\fbox{\underline{Surfαcє αrєα σf sphєrє ís 314 cm ².}}

<h2><u>Step-by-step explanation:</u></h2><h2>◈ <u>Gívєn</u> ◈</h2>

☞ Rαdíus σf sphєrє = 5 cm

<h2>◈ <u>Tσ FínD</u> ◈</h2>

☞ Surfαcє αrєα σf sphєrє

<h2>◈ <u>Fσrmulα nєєdєd</u> ◈</h2>

☞ Surfαcє αrєα σf sphєrє = 4 π r ²

<h2>◈ <u>Sσlutíσn</u> ◈</h2>

usíng thє fσrmulα

surfαcє αrєα σf sphєrє = 4 π r ²

suвstítutє thє vαluєs

surfαcє αrєα σf sphєrє = 4 × 3.14 × ( 5×5 ) cm ²

mutíplчíng thє vαluєs

surfαcє αrєα σf sphєrє = 100 cm² × 3.14

Hєncє , Surfαcє αrєα σf sphєrє ís 314cm ².

<h2 /><h2>–––––––––☆–––––––––</h2>
alisha [4.7K]2 years ago
4 0

Answer:

100 pi cm^2

or approximately 314 cm^2

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2

The radius is 5

SA = 4 *pi * 5^2

SA = 4*pi(25

SA = 100 pi cm^2

If pi is 3.14

SA = 100 *3.14 = 314 cm^2

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