1. What should the measures of the angles be in order to ensure the accuracy of construction and therefore, stability?
2. What are the angle relationships?
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1. What should the measures of the angles be in order to ensure the accuracy of construction and therefore, stability?
The internal angles of a triangle add up to 180º
m ∠TBA = 84º
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I will be drawing on the image
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The sum of supplementary angles is 180º
m ∠ABL = 180º- 84º = 96º
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∠TBA and ∠LBE are vertical angles
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∠ABL and ∠EBL are suplementary angles
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∠ATL and m ∠TAE are adjacent (they have a common side)
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