Why's this a calculus problem?

Geometry Level 1

True or False:

A rectangle is a trapezoid.

Note: There's quite a bit of controversy surrounding this problem, so it is recommended that one use Wikipedia's definition of a trapezoid to solve this problem.

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100 Day Summer Challenge

Why's this a calculus problem?

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It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

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Community

100 Day Summer Challenge

Why's this a calculus problem?

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.