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3- Triangles

Geometry Level 1

In the figure, points A, B and C are aligned. What is the sum of the angles marked in gray? In Degrees.

I had already posted the same problem before.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

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including olympiad champions, researchers, and professionals.

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View solutions

by Victor Paes Plinio

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