Equilateral 2543
a) The perimeter of the equilateral triangle ABC is 63 cm. Calculate the side sizes of the triangle and its height.
b) A right isosceles triangle has an area of 40.5 square meters. How big is his circuit?
c) Calculate the square's area if the diagonal's size is 15 cm.
b) A right isosceles triangle has an area of 40.5 square meters. How big is his circuit?
c) Calculate the square's area if the diagonal's size is 15 cm.
Correct answer:

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Calculation of an isosceles triangle.
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Calculation of an isosceles triangle.
Calculation of an equilateral triangle.
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
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