annalisefallico24 annalisefallico24

23-07-2021
Mathematics

contestada

What is the surface area of a sphere with a diameter of 14 cm?
Question 6 options:

175.84 cm^2

351.68 cm^2

615.44 cm^2

2461.76 cm^2

Show your work:

Respuesta :

sqdancefan sqdancefan

28-07-2021

9514 1404 393

Answer:

(c) 615.44 cm^2

Step-by-step explanation:

The surface area of a sphere is given by ...

A = 4πr² . . . . where r is the radius, half the diameter

A = 4(3.14)(7 cm)² = 196(3.14) cm² = 615.44 cm²

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