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David would like to cover a Styrofoam ball with a newspaper before painting it to create an Earth model for his science project. To determine how many newspapers he would need, he must measure the ball’s whole surface. Solve for the surface area of the Styrofoam ball with the given the measurement as shown in the picture below. ( SA=4πr2 ) (π=3.14)​

Sagot :

Answer:

75.4 in2

Step-by-step explanation:

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