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23-02-2022
Mathematics

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will give 100 points! How could you use one rotation of a right triangle to show that the sum of the measures of the angles of the triangle is 180°?

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Аноним Аноним

23-02-2022

Look at the diagram

Sum of two interior angles=exterior angle

<B+<C=<DAC

And

<DAC+<CAB=180°

so

<B+<C+<A=180

Hence verified

Ver imagen Аноним

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