The length of the lateral side of an isosceles triangle is 6cm, and the length of its base is three times less.
| March 1, 2021 | education
The length of the lateral side of an isosceles triangle is 6cm, and the length of its base is three times less. Find the perimeter of this triangle.
The length of the lateral side of an isosceles triangle is 6 centimeters.
The length of the base of the triangle is 3 times less than its lateral side.
Let’s find what the length of the figure’s base is equal to:
6: 3 = 2 centimeters.
Since the triangle is isosceles by condition, the second side is also 6 centimeters.
Find the perimeter of the triangle:
6 + 6 + 2 = 14 centimeters.
Answer: The perimeter is 14 centimeters.
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