Cracking the GRE Premium Edition with 6 Practice Tests, 2019 by Princeton Review

Author:Princeton Review
Language: eng
Format: epub
Publisher: Random House Children's Books
Published: 2018-07-09T16:00:00+00:00

The height of a triangle is defined as the length of a perpendicular line drawn from the point of the triangle to its base.

The height of a triangle must be perpendicular to the base.

This area formula works on any triangle.

The Pythagorean Theorem

The Pythagorean Theorem applies only to right triangles. This theorem states that in a right triangle, the square of the length of the hypotenuse (the longest side, remember?) is equal to the sum of the squares of the lengths of the two other sides. In other words, c2 = a2 + b2, where c is the length of the hypotenuse and a and b are the lengths of the other sides. (The two sides that are not the hypotenuse are called the legs.)

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