Equilateral triangle is a triangle with the 3 sides of the same length, and the 3 angles with the same measures/degree.
The formula to find the area of a triangle is base x height/2 , you do have the base (40), but you need the height. To find the height of an equilateral triangle you use the formula: side/2 x radical3, this way u'll find the height and therefor can calculate the area of the triangle.
Hope that helped :)

8 0

3 years ago

The radius of a truck wheel is 3 ft. what is the approximate circumference if the truck wheel.

Phoenix [80]

Circumference = $2 \pi r$
When you plug that in you should have $(2* \pi ) *3$
Solve that and you have your answer(: I would recommend rounding to the nearest hundreth

8 0

3 years ago

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Let a and b be real numbers, where Which of the following functions could represent the graph on the right?

expeople1 [14]

It's A.....................................................

8 0

3 years ago

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