Abiggirl7203 Abiggirl7203

30-01-2021
Mathematics

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An asteroid hit the Earth and created a huge crater. Engineers and scientists have measured around the crater and found it to be 79.5 miles. How much of the Earth's surface was affected by the crater impact? (Round your answer to the nearest tenth) Answer: miles squared

Respuesta :

02-02-2021

Answer:

503.2 mi²

Step-by-step explanation:

The amount of impact could be obtained by finding the area of the Circumference ; which is the measure of the crater :

Circumference, C = 79.5

Area of circle = πr²

Radius, r :

From ; C = 2πr

79.5 = 2 * 3.14 * r

79.5 = 6.28r

r = 79.5 /6.28

r = 12.659235

Area of circle, A : πr²

A = 3.14 * 12.659235^2

A = 503.2045646656065

A = 503.2 mi²

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