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aleksandrvk [35]
4 years ago
12

Find the value of each variable.

Mathematics
1 answer:
Gnesinka [82]4 years ago
5 0

Answer:

y=112\degree

z=65\degree

Step-by-step explanation:

The sum of adjacent angles on a straight line is 180\degree.

\Rightarrow 115\degree+z\degree=180\degree

\Rightarrow z\degree=180\degree-115\degree

\Rightarrow z\degree=65\degree

The sum of angles in a quadrilateral is 360 degrees.

\Rightarrow 65\degree+81\degree +102\degree +y=360\degree

\Rightarrow 248\degree +y=360\degree

\Rightarrow y=360\degree-248\degree

\Rightarrow y=112\degree

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