toniamontoya toniamontoya

07-10-2018
Mathematics

contestada

Angle JKL
is a straight angle.
The measure of angle JKM is 120 degrees.
The measure of angle MKL is X degrees
What is the value of X?

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sqdancefan sqdancefan

07-10-2018

The measure of a straight angle (or "linear angle") is 180°.

∠JKM + ∠MKL = ∠JKL

120° + X° = 180°

X = 180 -120

X = 60

The value of X is 60.

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