How do you find the measurement of angle JKL?

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• How do you find the measurement of angle JKL?

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In this lesson you will learn how to find the
measurement of an exterior angle by using your
knowledge of supplementary angles.
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Supplementary angles
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Adjacent angles
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Exterior
Interior
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x 57 180 x 123
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52 27 x 180 73 x 180
x 107 x y 180 y 73
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52 27 x 180 and x y 180
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(2x 15) (x 5) 148 3x 20
148 3x 168
x 56
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In this lesson you have learned how to find the
measure of an exterior angle by using your
knowledge of supplementary angles.
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Find the measurement of angle JKL.
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Find the value of x
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Find the measurement of angle BCD
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Find the value of x and the measurement of each
interior angle.
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Find the value of x and each interior angle.