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180 degrees - 100 degrees - 40 degrees

= 40 degrees

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Q: What is the third angle of a triangle that has 100 degrees and 40 degrees?
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Related questions

What kind of triangle has an angle with 100 degrees and 50 degrees?

The third angle must be 30 degrees so it is an obtuse triangle


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 a triangle have a measure of 35 degrees and 100 degrees?

Yes and the third angle would be 45 degrees


Two angles of a triangle are 30 dregree and 100 dregree what is the third angle?

50 degrees (180 degrees in a triangle)


What type of triangle has an angle that measures 100 degrees and an angle that measures 50 degrees?

A triangle with the third angle that measures 30 degrees.This triangle is not isosceles nor equilateral but has one obtuse angle.


What is the measure of the third angle of the triangle if the measures of two angles of a triangle are 35deg and 45deg?

The missing angle measure is 100 degrees.


What is the measure of the third angle if one angle measures 100 degrees and the other one measures 45 degrees?

If it's a triangle then the 3rd angle is 35 degrees


The measure of the first angle of a triangle is 48 degree.the measure of the second angle is 32 degree .what is the measure in degrees of the third angle?

100.


What type of triangle has an angle that measures 100 degrees and an angle that measures 60 degrees?

Obtuse triangle


What if The second angle of a triangle is 20 degrees greater than the first angle. The third is twice the second. Find the three angles.?

Angle 1 = 30 degrees Angle 2 = 50 degrees Angle 3 = 100 degrees.


The largest angle of a triangle is 100 degrees larger than the smallest angle If the third angle exceeds the smallest by 5 degrees how many degrees are there in each angle of the triangle?

When doing these types of problems, start with the fact that the sum of the angles in any triangle is 180 degrees (Any planar triangle that is.)So let the smallest angle be x. The largest angle is x+100 since we are told the largest angle is 100 degrees larger than the smallest angle.Now the third angle is x+5 by the same reasoning.So now we add x+x+5+x+100=1803x+105=1803x=75so x=25.The smallest angle is 25 degrees.The largest is 125 degrees and the third angle is 30 degree.Note that 125+25+30 is 180 as desired.


If a triangle has two angles with measures that add up to 100 degrees what must the measure of the third angle be?

The 3rd angle must be 80 degrees because the 3 angles in any triangle add up to 180 degrees.