lindsayknittle06 lindsayknittle06

07-05-2020
Mathematics

contestada

Find the radius!
Surface Area = 1017.36 yd?
EEN
1
radius =

Find the radius Surface Area 101736 yd EEN 1 radius class=

Respuesta :

MuridCikgu MuridCikgu

07-05-2020

Known :

Sa = 1017.36 yd²

Asked :

r = ...?

Answer :

Sa = 4πr²

1017.36 = 4 × 3.14 × r²

1017.36 = 12.56 r²

r² = 1017.36 ÷ 12.56

r² = 81

r = √81

r = 9 yd

So, the radius is 9 yd (D)

Hope it helpful and useful :)

Answer Link

TheLazyNobita TheLazyNobita

04-06-2020

Answer:

9 yd

Step-by-step explanation:

SA = 4 pi r²

1017.36 = 4 × 22/7 × r²

r² = 1017.36 × 7/88

r = 9 yd

Answer Link

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