Area of the base is 21 square feet
<span>Pyramid Volume = (Area of the Base * Height) ÷ 3
</span>
84 = (21 * Height) / 3Height = 84 * 3 / 21
Height = 12 feet
Source:http://www.1728.org/volpyrmd.htm
Answer:



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<u>hope it helps...</u>
<u>have a great day!!</u>
Answer:
Step-by-step explanation:
3.8×10^{-5}:8.1×10^3

The perimeter of the circle is also known as the circumference that said figure out what the diameter is and multiply that by pi (3.14)
Answer:
7,200
Step-by-step explanation:
Simply multiply 48,000 by .05, which equals 5%, and multiply that answer by 3, the amount of years.