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Basic Geometry

Basic Geometry

Pythagorean Theorem Examples

Example 1

Find the missing side of this triangle.


The length of the hypotenuse is missing, and we are given the lengths of the legs.

Example 2

Find the length of the missing side of this right triangle.

Right triangle

The length of a leg is missing, and we are given the lengths of the other leg and the hypotenuse.

Example 3

Is a triangle with sides lengths of 4 cm, 7 cm, and 8 cm a right triangle?

If it is a right triangle, then the sum of the squares of the two smaller sides will equal the square of the largest side.