supplements of congruent angles are congruent
To prove that the supplements of congruent angles are congruent, we need to understand the concept of angle supplements and use the properties of congruent angles
To prove that the supplements of congruent angles are congruent, we need to understand the concept of angle supplements and use the properties of congruent angles.
First, let’s define what it means for two angles to be congruent. Two angles are said to be congruent if they have the same measure. In other words, if angle A has a measure of x degrees and angle B has a measure of x degrees, then we say angle A is congruent to angle B.
Now, let’s define what it means for two angles to be supplements of each other. Two angles are said to be supplements if the sum of their measures is 180 degrees. In other words, if angle A and angle B are supplements, then angle A + angle B = 180 degrees.
To prove that the supplements of congruent angles are congruent, let’s consider two congruent angles, angle A and angle B, with measures of x degrees each. Therefore, angle A is congruent to angle B.
Since angle A and angle B are congruent, they have the same measure, so we can say that angle A = x degrees and angle B = x degrees.
Now, let’s find the supplements of these two angles. The supplement of angle A is the angle that, when added to angle A, will equal 180 degrees. Let’s call this angle C. Similarly, the supplement of angle B is the angle that, when added to angle B, will also equal 180 degrees. Let’s call this angle D.
So, angle A + angle C = 180 degrees and angle B + angle D = 180 degrees.
Since angle A = x degrees and angle B = x degrees, we can rewrite the equations as:
x + angle C = 180 degrees and x + angle D = 180 degrees.
Now, if we subtract x from both sides of both equations, we get:
angle C = 180 degrees – x and angle D = 180 degrees – x.
But we know that angle A and angle B are congruent, so their supplements angle C and angle D should also be congruent. Therefore, we can say that angle C is congruent to angle D.
Hence, we have proved that the supplements of congruent angles are congruent.
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