Yannieidn
Answered

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How do you use pi and what are the areas of a rectangle and triangle?

Sagot :

Pi is used for calculating an area of circle. The formula is [tex] \pi * r^{2} [/tex]
Formula of calculating rectangle's area is width * height.
Formula of calculating triangle's area is [tex] \frac{1}{2} * b * h[/tex] when b is base and h is height.