0
If the measures of two angles of an isosceles triangle are 54degrees and 63degrees what is the measure of the third angle?
Wiki User
∙ 6y ago
The third angle must be 63 degrees because all angles in any triangle add up to 180 degrees
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoUse the fact that the sum of the angles in a triangle is 180°.
Add your answer:
Earn +20 pts
Half the sum of degree-measures of the angles of an isosceles triangle is?
90° . That's true of any triangle. Doesn't have to be isosceles.
If one angle of an isosceles triangle measures 60 degrees then the triangle is equilateral?
yes
A triangle that has angles that measures 45 45 and 90degrees is an?
An isosceles right angled triangle
What is describe a triangle whose angle measures are 30 120 and 30?
An isosceles triangle
How do you find the measures of the angles in a right isosceles triangle?
If a triangle is an isosceles triangle as well as being a right-angled triangle, the size of the two angles (that are not right angles) are 45 degrees.
What type of triangle has an angle that measures 120 degrees and an angle that measures thirty degrees for kids?
It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.It is an obtuse angled isosceles triangle.
Half the sum of degree-measures of the angles of an isosceles triangle is?
90° . That's true of any triangle. Doesn't have to be isosceles.
What triangle has 15in each and the third side measures 10in?
An isosceles triangle.
An isosceles triangle that is not an equilateral triangle?
It is possible if neither of the angles in the triangle measures to 60 degrees
If an angle bisector of an isosceles triangle yields two isosceles triangles what were the angle measures of the original triangle?
they would be congruent triangles!
A triangle that has angles that measures 45 45 and 90degrees is an?
An isosceles right angled triangle
If one angle of an isosceles triangle measures 60 degrees then the triangle is equilateral?
yes
What is describe a triangle whose angle measures are 30 120 and 30?
An isosceles triangle
A triangle that has angles that measures 454590 degree is a?
A 45-45-90degree triangle is classified as an isosceles triangle.
How do you find the measures of the angles in a right isosceles triangle?
If a triangle is an isosceles triangle as well as being a right-angled triangle, the size of the two angles (that are not right angles) are 45 degrees.
What are the measures of the base angles of a right isosceles triangle?
45 degrees.
What could be the measures of the sides of an isosceles triangle?
It would depend how long it is.
