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Angles in a triangle sum to 180° proof

Khan AcademySal Khan

Angles in a triangle sum to 180° proof

The sum of the interior angle measures of a triangle always adds up to 180°. We can draw a line parallel to the base of any triangle through its third vertex. Then we use transversals, vertical angles, and corresponding angles to rearrange those angle measures into a straight line, proving that they must add up to 180°.

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The interior angles of a triangle🔺 add up to 180 degrees. But do you know why? Watch this video🎥 to find out how a Cuemath student would arrive at the answer by visualizing the concept.💁‍♂️ To get a hands-on experience of the Cuemath way of learning, book a free demo session: https://bit.ly/2nrDke1 | Cuemath

The interior angles of a triangle🔺 add up to 180 degrees. But do you know why? Watch this video🎥 to find out how a Cuemath student would arrive at the answer by visualizing the concept.💁‍♂️ To get a hands-on experience of the Cuemath way of learning, book a free demo session: https://bit.ly/2nrDke1 | Cuemath

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