The perimeter of an isosceles triangle is 2.5 m and the base is 1.3 m. Find the side of this triangle.
| August 17, 2021 | education
The perimeter of an isosceles triangle is 2.5 m and the base is 1.3 m. Find the side of this triangle.
Given: Δ ABC: AB = BC, P = 2.5 m, AC = 1.3 m.
Find: AB -?
Solution:
The perimeter of the triangle is calculated by the formula: P = AB + BC + AC;
2.5 = 1.3 + 2 AB (since AB = BC by condition);
2 AB = 1.2;
AB = 0.6;
Answer: 0.6 m.
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