Consider an equilateral triangle with a height of 13ft. The area of this triangle of 79.95 ft2. What are the lengths of the sides?
6.15ft
Consider a square with side length 2x + 10. If the perimeter is 160 cm. Find the area.
160cm2
Consider a circle that has a circumference of 28π centimeters (cm).
What is the area, in cm2 of this circle?
122πcm2
x²y ÷ xy
x
A catalog of scientific equipment states that the lens of a particular
telescope has a circumference of 6.28 meters. What is the lens's radius?
Use 3.14 for π.
1m
(r4)3 ÷ (r3)2
r6
Factor:
12?2 − 75
(3b-5) (4b+15)
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