The perimeter of an isosceles triangle is 28 cm, and the side is 10 cm. Find the base of the triangle.
| April 5, 2021 | education
Finding the base of an isosceles triangle
since the length of the sidewall is known, then the length of the second sidewall will be equal to the length of the first sidewall;
find the sum of the lengths of the sides;
in order to find the bases of an isosceles triangle, you need to subtract the sum of the lengths of the sides from its perimeter
10 + 10 = 20 centimeters – the sum of the lengths of the lateral sides of an isosceles triangle;
28 – 20 = 8 centimeters – the length of the base of an isosceles triangle.
Answer: 8 centimeters.
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