GUYS QUICK! what is the surface area of a sphere that has a radius of 5 cm
2 answers:
<h2><u>Answer:</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>You might be interested in
Answer(s):
Step-by-step explanation:
Start with:
Let's add to both sides of the equation.
Add by multiplying
by
to get a common denominator.
Add:
Now back to our main equation:
Let's rewrite to make finding the cross product easier.
×
Find the cross product:
×
Rewrite.
Divide by the coefficient of , which is
.