2 years ago

What is the measure, in degrees, of angle b?

Mathematics

2 answers:

nordsb [41]2 years ago

4 0

Answer:

Step-by-step explanation:

angle b+20 degree=40 degree(being vertically oppoite angles)

angle b=40-20

angle b=20

therefore angle b=20 degree.

leonid [27]2 years ago

3 0

The top angle is the same as the bottom angle, since they are vertically opposite angles.

b+20=40

b=40-20

b=20

It is also 20 degrees.

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