Word describes the measure of angle1 and angle 2 form a right angle is complementary.
What are complementary angles?
" Complementary angles are defined as the sum of the measures of two angles is equals to 90°. "
According to the question,
As given in the figure,
Angle 1 and Angle 2 form a right angle.
measure of a right angle = 90°
Angle 1 + Angle 2 = 90°
⇒Angle 1 = 90° - Angle 2
or Angle 2 = 90° - Angle 1
Therefore,
Angle 1 complement Angle 2 and vice- versa.
Hence, word describes measure of angle1 and angle 2 form a right angle is complementary.
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