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how do i find the hight of an isos triangle?
1 Answer
- 8 years ago
Split the triangle down the middle to make two right triangles. Assuming you're given side measurements or angles use either trigonometry or Pythagorean theorem (a^2 + b^2 = c^2 where c is the hypotenuse) to determine the height!
for example an isosceles with side lengths 3, 3 and 8.
Split down the middle, you have two right triangles with measurements 3, 4 and unknown. 3^2 + 4^2 = 25, so the root of that, 5, gives you the height of your triangle!
