Question 1180920
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There is no such triangle.<br>
An equilateral triangle with base 36cm (i.e., each side length 36cm) does not have a height of 15cm.<br>
The area of a triangle is one-half base times height.  So a triangle with base 36cm and height 15cm has an area of (1/2)(36)(15)=270 cm^2.<br>
But it's not an equilateral triangle....<br>