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Kryger [21]
3 years ago
12

Find the surface area of the ball shown. Use 3.14 for pie.

Mathematics
1 answer:
miskamm [114]3 years ago
7 0

Answer:

\displaystyle S _{ \text{sphere}} =3629.84 {cm}^{2}

Step-by-step explanation:

we are given a ball

remember that,a ball is a Sphere

thus,

\displaystyle S _{ \text{sphere}} = 4\pi {r}^{2}

given that, redious is 17 cm

substitute:

\displaystyle S _{ \text{sphere}} = 4 \times \pi  \times {17}^{2}

simplify square:

\displaystyle S _{ \text{sphere}} = 4 \times \pi  \times 289

substitute the approximate value of π:

\displaystyle S _{ \text{sphere}} = 4 \times 3.14  \times 289

simplify multiplication:

\displaystyle S _{ \text{sphere}} =3629.84

hence, the surface area of the sphere is <u>3</u><u>6</u><u>2</u><u>9</u><u>.</u><u>8</u><u>4</u><u> </u><u>cm²</u>

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