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180 - (80 + 60) ie 40

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Q: A triangle has one angle of 80 degress and another of 60 degrees how many degrees must there be in the third triangle?
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Related questions

What angle can not form a triangle?

anything over 180, A triangle is composed of 180 degrees, so if one angle alone is 180 degress then the shape is not A triangle.


If two angles in a triangle are 30 degrees and 60 degrees what is the measure of the missing angle?

90 degress :P


What is the measure of the third angle of a triangle if one angle measures 15 degrees and the other measures 85 degrees?

The sum of the measures of the angles of a triangle is 180 degrees. First, calculate the sum of the two known angles. Then subtract that result from 180. That difference is the measure of the third unknown angle. Given: One angle of a triangle is 15 degrees and the second angle of the triangle is 85 degrees. To find: We need to find the third angle of the triangle. Let the third angle of the triangle be x. We know that the sum of the angles in a triangle is 180 degrees. ==> 15 degrees + 85 degrees + x degrees = 180 degrees. ==> 100 degrees + x degrees = 180 degress. ==> x = 180 degrees - 100 degrees. ==> x = 80 degress. Therefore the third angle of the triangle is 80 degrees.


Can an equilateral triangle have an obtuse angle?

No it can't. The reason is because an obtuse angle/triangle has to have a measurement of 90 degrees more or up until 180 degress.


Triangle with an angle equal to 90 degress?

A right triangle.


What is the triangle that is 60 degrees and another angle is 70 degrees?

A scalene triangle


If angle A in a triangle is 80 degrees ANOTHER is 60 degrees what is the degree of angle C?

40 degrees


If one acute angle on a right triangle is forty five degrees what is the measure of the other acute angle in the triangle?

since it is a right triangle there is one 90 degree angle and another of the angles is 45 degrees. there is 180 degrees in a triangle so the missing angle is 45 degrees.


What triangle has one angle that measures 40 degrees one angle that measures 90 degrees and another angle that measures 50 degrees?

A right triangle is a triangle in which one angle is equal to 90 degrees and the remaing two angles are acute(ie., less than 90 degree). so this triangle is a right angle triangle.


What angle measures 200 degress?

An angle of 200 degrees is a reflex angle


If one angle of a triangle measures 32 degrees and the another angle measures 71 degrees what is the measure of the third angle?

77 degrees


A triangle has one angle 80 degrees and another of 60 degrees how many degrees must there be in the third angle?

40 degrees