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An isosceles triangle must have two sides of equal size.

Since you have a side of 7 and 5, for it to be isosceles, your third side must be either 7 or 5.

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Q: The lengths of 2 sides of an isosceles triangle are 7 and 5 what are all the possible lengths of the third side?
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Related questions

How many sides to an isosceles triangle have?

An isosceles triangle has 3 sides and 2 of its sides are equal in lengths


What is the difference between a scalene an isosceles and an equilateral triangle?

A scalene triangle has 3 sides of different lengths An isosceles triangle has 2 sides of equal lengths An equilateral triangle has 3 sides of equal lengths


Does an isosceles triangle have 2 sets of parallel sides?

No triangle has parallel sides but an isosceles triangle has two equal sides of the same lengths.


Perimeter of isosceles triangle?

It is the sum of the lengths of its sides.


How do you find which triangle if you know the lengths of the sides of a triangle whether it is isosceles or equilateral or scalene?

You look at the lengths of the sided of the triangle. If the two lengths are same, the triangle is an isosceles triangle. If all the lengths are same, the triangle is an equilateral triangle. If none of the lengths are same, the triangle is a scalene triangle.


What are the kinds of triangle according to measure of sides?

An isosceles triangle has 3 sides 2 of which are equal in lengths An equilateral triangle has 3 sides all of which are equal in lengths


How is an isosceles trapezoid related to an isosceles triangle?

It only has two equal lengths out of however many sides like an isosceles triangle


Is a scalene triangle an isosceles triangle?

yes a scalene triangle is a isosceles triangle.* * * * *No. A scalene triangle is not an isosceles triangle. The sides of a scalene triangle must all be of different lengths. In an isosceles triangle two of the sides must be the same length. If all three sides are different (scalene) then two cannot be the same (isosceles).


Is a scalene triangle an is isosceles triangle?

yes a scalene triangle is a isosceles triangle.* * * * *No. A scalene triangle is not an isosceles triangle. The sides of a scalene triangle must all be of different lengths. In an isosceles triangle two of the sides must be the same length. If all three sides are different (scalene) then two cannot be the same (isosceles).


What is the difference between an isosceles triangle and a scalene triangle?

An isosceles triangle has two equal side; a scalene triangle has no two equal sides.


Can a scalene triangle be isosceles?

No. An equilateral triangle is also isosceles, but isosceles is not scalene.


How do you get the perimeter of an isosceles triangle?

Add the lengths of the three individual sides.