QuizQ
An isosceles triangle has two sides of length 38 m and 15 m. How long is a third side?
Correct answer:

Tips for related online calculators
Do you want to convert length units?
Calculation of an isosceles triangle.
See also our trigonometric triangle calculator.
Calculation of an isosceles triangle.
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
algebraplanimetricsUnits of physical quantitiesGrade of the word problem
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- A triangle 4
A triangle has a perimeter of 18a + 6b + 15 and has sides of lengths 5a + 7 and 8a +4b. What is the length of the third side? Write an expression and simplify it to find the solution to the problem.
- Circumscribed 83152
Given is an isosceles triangle whose base is 8 cm, and the sides are 15 cm long. Calculate the area of the triangle and the radius of the inscribed and circumscribed circle.
- Circumference 7655
The triangle has a circumference of 35 cm. One side is four times longer than the other and, at the same time, 1 cm longer than the third. Determine the sides of the triangle.
- Integer sides
A right triangle with an integer length of two sides has one leg √11 long. How long is its longest side?
- Isosceles gable
The roof of a cottage has a gable in the shape of an isosceles triangle with a base length of 8m and a side length of 10m. How high is the gable?
- Perimeter 7778
The triangle has 7 cm, 8 cm, and 5 cm long sides. How long is the side of a square with the same perimeter as a triangle?
- Two sides 2
Two sides of a triangle are 12 and 15, and the perimeter is 40. Find the other side.