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OpenStudy (anonymous):
the distance around earth at the equator is about 40074 kilometers. Find the equatorial diameter of earth to the nearest kilometer. A- 12762 km B- 25512 km C- 62884 km D- 6339700 km
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OpenStudy (campbell_st):
well use the circumference formula \[C = \pi \times d\] so you know \[40074 = \pi \times d\] just solve for d
OpenStudy (anonymous):
can u help me solve for d please @campbell_st
OpenStudy (campbell_st):
divide both sides of the equation by pi... that's all you need to do
OpenStudy (anonymous):
ok thanks @campbell_st
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