SOLUTION: Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measures.
m∠1 = 45°, m∠4 = (9x)°
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Question 918130: Identify the theorem or postulate that is related to the measures of the angles in the pair, and find the unknown angle measures.
m∠1 = 45°, m∠4 = (9x)°
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Angle Addition Postulate
If the sum of the two angles measure up to °, then the angles are called to be ‘complementary angles’.
m∠1 = 45°, m∠4 = (9x)° => m∠ is °
=> m∠4 °
=> m∠4 °
=> m∠4 °
=> m∠4 °
so, => m∠4 °
If the sum of the two angles measure up to °, then the angles are called to be ‘supplementary angles’.
m∠1 = 45°, m∠4 = (9x)° => m∠ is °
=> m∠4 °
=> m∠4 °
=> m∠4 °
=> m∠4 °
so, => m∠4 °
The angles sharing a common side are called as ‘adjacent angles’.
they cannot be ‘adjacent angles’ because their sum is not given
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