A geometry problem by Chung Kevin

Geometry Level 1

If the perimeter of the yellow triangle is 20,
and the perimeter of the blue triangle is 30,
and the perimeter of the six-pointed star is 40,
what is the perimeter of the green hexagon?

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100 Day Summer Challenge

A geometry problem by Chung Kevin

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.

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

Used and loved by 4 million people

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Courses

Topics

Community

100 Day Summer Challenge

A geometry problem by Chung Kevin

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.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

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

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.