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24 July, 11:33

Using angle measures in triangles

Solve for x. Angle p is 25 angle r is 20 and angle q is 3x

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Answers (1)
  1. 24 July, 15:20
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    Answer:x = 45

    Step-by-step explanation:

    The sum of the angles in a triangle is 180 degrees. The angles in the given triangle are

    Angle p is 25

    angle r is 20

    angle q is 3x

    Therefore,

    Angle p + angle r + angle q = 180

    25 + 20 + 3x = 180

    45 + 3x = 180

    Subtracting 45 from the left hand side and the right hand side of the equation, it becomes

    45 - 45 + 3x = 180 - 45

    3x = 135

    Dividing the left hand side and the right hand side of the equation by 3, it becomes

    3x/3 = 135/3

    x = 45
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