Find the area of a triangle, each side of which is 10.
| November 19, 2020 | education
1) by Pythagoras we find the height: 10 ^ 2 – 5 ^ 2 = 75
h = √75 = 3√5
2) the area of the triangle = 1/2 * a * h = 1/2 * 10 * 3√5 = 15√5
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