Lesson: Geometry - 14t01

Finding The Leg Length

[Page 14 of 30]

If AB and CD bisect each other at point E, what is the length of AC? Type your answer into the text box, and then click Continue.

AB ? CD

AB = 6 CD = 8

AC = 5

Countinue

Since AB and CD are perpendicular, the angles around point E are all right angles. This means that we can draw a right triangle with legs of AE and CE, and a hypotenuse of AC.

Since AB and CD bisect each other, , and .

We can now plug the leg lengths into our Pythagorean theorem to find that:

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