Joykat
Joykat Joykat
  • 24-02-2017
  • Mathematics
contestada

Find the sum of angles KMA and YMA.

Find the sum of angles KMA and YMA class=

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rainbowdash8142
rainbowdash8142 rainbowdash8142
  • 24-02-2017
Ok, so we know that a straight line equals 180 degrees.

Therefore if we add the two equations together, we get:

(2x+7x)−3+21-----collect like terms
9x+18-----simplify

Then, we have to make the equation equal to 180:

9x+18=180
9x=162-----subtract 18
x=18-----divide 9

Is that what you were asking for?
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