monkyaw12 monkyaw12

27-05-2020
Mathematics

contestada

a

506.25 square meters

b

777.54 square meters

c

424.11 square meters

d

1215 square meters

a50625 square meters b77754 square meters c42411 square meters d1215 square meters class=

Respuesta :

mhanifa mhanifa

16-08-2020

Answer:

b. 777.54 square meters

Step-by-step explanation:

Total surface area of cylinder = 2 π r(r+ h)

Given:

d = 15 m ⇒ r = 15 m/2 = 7.5 m
h = 9 m

Area:

2 π r(r+ h) = 2π*7.5*(7.5 + 9) ≈ 777.54 m²

Correct answer choice is b. 777.54 square meters

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