Find the area of a triangle if its sides are equal to AB = 8, BC = 17, CA = 15.
| March 15, 2021 | education
1. S is the area of the triangle, P is half the perimeter.
2. In triangle ABC, the lengths of all its sides are known. The area of such a triangle
calculated by the formula of Heron’s theorem:
S = √P (P – AB) (P – BC) (P – AC) = √20 x 12 x 3 x 5 = √3600 = 60 centimeters²
Answer: the area of the triangle ABC is 60 centimeters²
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