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OpenStudy (anonymous):
if a and b are vertical angles, and a=38 degrees, find the measure of B. a. B=7 DEGREES B. B=57 DEGREES C. B=38 DEGREES D. B=142 DEGREES
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jimthompson5910 (jim_thompson5910):
Hint: vertical angles look like this |dw:1349931191615:dw|
OpenStudy (anonymous):
wouldnt it be C then?
jimthompson5910 (jim_thompson5910):
you got it
jimthompson5910 (jim_thompson5910):
vertical angles are congruent, so angle B is also 38 degrees
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