3 times 7.5 inches
22.5 inches. Equilateral triangle means all three sides are the same length because all three angles are the same degrees. The sum of all angle in a triangle will add up to 180 degrees. since the angles of an equilateral triangle are the same, the sides will be the same length, therefore if the side is 7.5" then 3 X 7.5 = 22.5".
Well, just multiply 7.5 by 3. Solution: 22.5
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SOURCE: there is an equilateral triangle. in it there are
how big is the triangle? if the coins are a mile in diameter doesnt mean you cant have an equilateral triangle with legs of 32 miles long.
or are you asking for the equation?
i will send you on the path to the equation.
if you draw a circle on a piece of paper then draw a triangle around it where is the center? if the triangle were a perfect equilateral then the circle would be a perfect circle touching the sides of the triangle.
its important to know where the center is because the center of the circle to the edge of the circle is the radius.
so the center of a triangle is the center of the circle. therfeore the radius of the circle will equal hieght/2...
thinking that way you can say that if there were three coins then the center of the triangle cant be occupied by a coin but is very close to an edge. where is the center of the coin?
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