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Softa [21]
3 years ago
6

The angle measurements in the diagram are represented by the following expressions.

Mathematics
1 answer:
aliya0001 [1]3 years ago
8 0
Angle a and b are supplementary angles which means that when added they equal 180.
so we must set our equation equal to 180.
8x+74+2x+56=180
which simplifies to 10x+130=180
then subtract 130 from both sides.
10x=50
x=5

So we plug in 5 to find the measure of b.
2(5)+56=b
10+56=b
66=b
the measure of angle b is 66 degrees
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