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Topimon core 7
Less 12: Angles and Triangles
Name C-lliana
Date प1412024
Period
Use this diagram to answer the questions that follow:
4) If the 
m < 1 is 
2x+10 and the 
m < 3 is 
120^(@), determine the value of 
x.

Topimon core 77\newlineLess 1212: Angles and Triangles\newlineName C-lliana\newlineDate प14120241412024\newlinePeriod\newlineUse this diagram to answer the questions that follow:\newline44) If the m<1 m<1 is 2x+10 2 x+10 and the m<3 m<3 is 120 120^{\circ} , determine the value of x x .

Full solution

Q. Topimon core 77\newlineLess 1212: Angles and Triangles\newlineName C-lliana\newlineDate प14120241412024\newlinePeriod\newlineUse this diagram to answer the questions that follow:\newline44) If the m<1 m<1 is 2x+10 2 x+10 and the m<3 m<3 is 120 120^{\circ} , determine the value of x x .
  1. Understand angles relationship: Understand the relationship between the angles.\newlineIn a triangle, the sum of the measures of the interior angles is always 180180 degrees. If m<1m < 1 and m<3m < 3 are angles in the same triangle, their measures should add up to less than 180180 degrees, since they are not the only angles in the triangle.
  2. Set up equation: Set up the equation based on the given information.\newlineWe are given that m<1m < 1 is 2x+102x+10 and m<3m < 3 is 120120 degrees. Assuming that these two angles are part of the same triangle, we can set up the following equation:\newline2x+10+120=1802x + 10 + 120 = 180
  3. Solve for x: Solve for x.\newlineNow we will solve the equation for x:\newline2x+10+120=1802x + 10 + 120 = 180\newline2x+130=1802x + 130 = 180\newline2x=1801302x = 180 - 130\newline2x=502x = 50\newlinex=502x = \frac{50}{2}\newlinex=25x = 25

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