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The inner angles of a triangle will always add up to 180. Assuming that this particular triangle is a right triangle (that is, one of it's angles is 90 degrees), you can find the other angle by subtracting the known angles from 180:
180 - 57 - 90 = 33 degrees
If the triangle is an equilateral or a scalene triangle, the other angles cannot be calculated without additional information.
What else can I help you with?
Each angle in an equilateral triangle measures?
They each measure 60 degrees
What is the measure of the third angle of a triangle if one angle measures 120 and the other measures 42?
The third angle measures 18 degrees.
What is the measure of each angle in an acute equilateral triangle?
Each interior angle of an equilateral triangle measures 60 degrees
What type of triangle has an angle that measures 20 degrees and an angle that measures ninety degrees?
It is a right angle triangle and its 3rd angle is 70 degrees.
What type of triangle has an angle that measures 100 degrees and an angle that measures 60 degrees?
Obtuse triangle
What type of triangle has an angle measures 60 degrees and an angle that measures 90 degrees?
It is a right angle triangle and the 3rd angle will measure 30 degrees
What type of triangle has an angle that measures 60 and an angle that measures 90?
It is a right angle triangle and the 3rd angle will measure 30 degrees
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
What is the measure of the third angle of a triangle if one angle measures 50 degrees and the other measures 105 degrees?
25 degrees
What is the measure of the third angle of a triangle is one angle measures 126.5 degrees and the other measures 19 degrees?
The third angle is 34.5 degrees
what- a triangle has the angle measures shown. what is the measure of?
20 degrees
What is the measure of the third angle of a triangle if one angle measures 22 degrees and the other measures 53 degrees?
105
A quadrilateral has angle measures in a triangle are 60 degrees and 60 degrees what is the measure of the third angle?
If you mean an equilateral triangle then the 3rd angle is 60 degrees
Each angle in an equilateral triangle measures?
They each measure 60 degrees
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
What is the measure of the third angle of a triangle if one angle measures 120 and the other measures 42?
The third angle measures 18 degrees.
