45°, 45°, and 90°
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.
right triangle * * * * * Or, to be more precise, a right-angled isosceles triangle.
(180 - 78) / 2...
The slope for a 45 degree slope triangle is 1/1 because the slope triangle is an isosceles right triangle.
Sure. The other two angles would then be 20 each.
100 degree, 40 degree and 40 degree.
of course you can why not its that simple
An isosceles triangle has 3 interior angles that add up to 180 degrees two of which are equal in size.
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.
right triangle * * * * * Or, to be more precise, a right-angled isosceles triangle.
An isosceles triangle is a triangle that has two sides of equal length. A right triangle has an interior angle of 90 degrees. A right isosceles triangle has both characteristics. The 90 degree angle will be the angle formed by the sides of equal length.
It is an isosceles triangle because the third angle must measure 50 degrees
An isosceles triangle can have a 90 degree angle, but doesn't necessarily. Similarly, a right triangle can be an isosceles triangle, but isn't necessarily.
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.
45 degree
60º
120 degrees.