tf736454181 tf736454181

26-03-2021
Mathematics

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The measure of A is 90°. Angles A and B are supplementary. What is mB?
A. 0°
B. 90°
C. 110°
D. 180°

Respuesta :

bakershawn04 bakershawn04

26-03-2021

Answer:

B. 90

Step-by-step explanation:

Since the two angles are supplementary, this means they both are on a flat line (180 degrees)

Since both A and B add up to 180, we take that number and subtract A (90) to get our answer: 90 degrees

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lilybowdoin lilybowdoin

26-03-2021

B.90 if angles are supplementary that means they add up to 180 degrees and 90 plus 90 is 180

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