Planetary Circumferences - Math Worksheet With Answers
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Planetary Circumferences
Imagine that Earth could be split in half at the equator. The distance around the equator would
resemble a circle with a diameter of 7,920 miles! You could use this diameter and the formula for
the circumference of a circle to find Earth’s equatorial circumference. The equatorial
circumference is the distance around Earth at the equator.
Use a calculator to calculate Earth’s equatorial
1.
circumference to the nearest mile. Use 3.14 for π.
Use a calculator to complete the table below. Round each number to the nearest mile.
Diameter
Equatorial Circumference
Planet
(in miles)
(in miles)
Mercury
3,032
2.
Venus
7,522
3.
Mars
13,232
4.
Jupiter
272,866
5.
On a separate sheet of paper, write diameters for five imaginary planets. Be sure to
6.
give your planets names. One of your planets should have a diameter greater than
any diameter shown in the table above. One of your planets should have a lesser
diameter than any shown above. Calculate the equatorial circumference of each
planet to the nearest mile and display the results in a table.
Connect It Do you think Earth’s equator is a perfect circle? Why or why not?
7.
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