An isosceles triangle has 2 angles that are equal.
All angles to a triangle = 180 degrees so you set it up as a algebra equation as
X+X+X+9=180
3X=171
in this X = 57
So 2 angles are 57 and one is 57+9= 66
Sorry about the spelling.
a isosceles has 180 degrees
It is an isosceles triangle.
Isosceles Triangle * * * * * In fact it is a right angled isosceles triangle.
Yes, when it has a 90 degree and two 45 degree angles it is an isosceles right angled triangle.
Yes, a right triangle an be an isosceles triangle. The triangle will will have a 90 degree angle and two 45 degree angles. This is the only way a right angle triangle can also be an isosceles triangle.
It is an isosceles right angle triangle.
A right angle triangle with 45, 45 and 90 degree angles is similar to an isosceles triangle
A triangle with a 90 degree angle and two 45 degree angles.
The interior angles of a triangle add up to 180. So a triangle with 3 equal sides (or angles) will have 60-degree angles. * * * * * True, but the question is about an isosceles triangle, not an equilateral triangle. The angles of an isosceles triangle are x, x and 180-2x degree where x is a measure between 0 and 90 degrees.
90° . That's true of any triangle. Doesn't have to be isosceles.
An obtuse angled isosceles triangle.
A 45-45-90degree triangle is classified as an isosceles triangle.