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22 January, 17:52

if the measure of angle 2 is (5x+12) and angle 3 is (7x-14), what is the measure of angle 1 in degrees?

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Answers (2)
  1. 22 January, 18:55
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    Answer:35x^2+14x-168
  2. 22 January, 21:03
    0
    Answer with explanation:

    The sum of measures of three angles of triangle is 180°.

    →∠1+∠2+∠3=180°

    →∠1 + (5x+12) ° + (7x-14) °=180°

    →∠1 + (5x+7x) + (12-14) °=180°

    →∠1+12 x-2°=180°

    →∠1=180°+2°-12 x

    →∠1=182°-12 x

    That is, Third Angle = 182°-12 x
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