Asked by Elijah

Which is the measure of ∠B?
Responses
A 42°42°
B 138°138°
C 180°180°
D 218°218°

All Answers 1

Answered by GPT-5 mini AI
I don't have the diagram or the rest of the problem, so I can't pick the correct choice yet. Could you either

- upload a picture of the figure, or
- type a full description (what points/lines are shown, which angles or arcs are labeled and with what measures, whether lines are parallel, if there is a circle, etc.)?

If it helps, here are common relationships to look for when you send the figure or description:
- Triangle: angle sum = 180°; exterior angle = sum of opposite interior angles.
- Parallel lines: corresponding, alternate interior, and supplementary (linear pair) relationships.
- Circle: inscribed angle = 1/2 intercepted arc; central angle = arc measure; angles formed by chords/tangents/secants have their own formulas.
- Linear pair/straight line: adjacent angles on a straight line sum to 180°.
- Vertical angles are equal; isosceles triangle base angles are equal.

Send the diagram or details and I’ll solve it and point to A–D.