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50 Degrees
an acute angle
Degrees in a right angle
A right angle is 90 degrees and a 1/3 of 90 degrees equals 30 degrees
The measure of one angle of a regular pentagon is 108 degrees.
Let's call the two angles angle 1 and angle 2. We are given that angle 1 and angle 4 form a linear angle and that angle 2 and angle 4 form a linear angle. Because linear angles measure 180 degrees, we arrive at: m<1 + m<4 = 180 m<2 + m<4 = 180. By subtracting the second equation from the first, we get: m<1 - m<2 = 0. And finally: m<1 = m<2. Thus, angle 1 is congruent to angle 2.
If the measure of angle A is 60 degrees, angle A is acute.
50 Degrees
then m=30
143
It means "measure". So m<AVB is saying "the measure of Angle AVB is/= ? degrees".
m
55 - 20 = 35
an acute angle
7
Degrees in a right angle
A right angle is 90 degrees and a 1/3 of 90 degrees equals 30 degrees