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zzz [600]
3 years ago
8

Please help i keep getting the wrong answers

Mathematics
2 answers:
hodyreva [135]3 years ago
5 0

\huge{ \mathrm{  \underline{ Answer} \:  \:  ✓ }}

Given terms :

  • Surface area (a) = 200 π

  • radius = 10 inches

Now, we know

\large\boxed{\mathrm{surface \:  \: area = \: \pi r(l + r) }}

  • 200\pi = \pi \times 10 \times (10 + l)

  • \dfrac{200\pi}{10\pi}  = 10 + l

  • 20 =   10 + l

  • l = 10 \: in

(note : " l " represents slant height.)

Therefore, Measure of slant height (l) :

\huge \boxed{10 \:  \: in \: }

_____________________________

\mathrm{ ☠ \: TeeNForeveR \:☠ }

Mrrafil [7]3 years ago
3 0

Answer:

10 inches

Step-by-step explanation:

Surface Area = π R² + π R L [ L is Slant Height ]

200 π = π (10)² + π (10) L

200 π = π (100) + π (10) L

200 π - 100 π = 10 π L

100 π = 10 π L

100 π / 10 π = L

10 = L

L = 10 inches

Hope this Helps......

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