anonymous
  • anonymous
The measure of ∠A is 12° more than three times the measure of ∠B. If A and B are supplementary angles, find the measure of ∠A. 137° 138° 139° 140°
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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campbell_st
  • campbell_st
let B = x A = 3x + 12 then x + 3x + 12 = 180 (supplementary angles) solve the equation 4x + 12 = 180 to find B then tripe it and add 12 to find A
anonymous
  • anonymous
the above ans is correct let B = x A = 3x + 12 then x + 3x + 12 = 180 (supplementary angles) solve the equation 4x + 12 = 180 to find B then tripe it and add 12 to find A
campbell_st
  • campbell_st
wow... well done Rohangrr... nice copy and paste job

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Directrix
  • Directrix
Let m Answer

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