In the diagram, the lines ℓ and m appear to be parallel. How do you know for sure? Use the diagram to complete Questions a – c.
a. Given that the sum of the measures of the angles in a triangle is 180º,
solve for x.
b. Find the measure of each angle of △ABC.
c. Explain why ℓ ∥ m.
Answers: 3
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In the diagram, the lines ℓ and m appear to be parallel. How do you know for sure? Use the diagram t...
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