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Mathematics 15 Online
OpenStudy (anonymous):

another math question? Find x.

OpenStudy (anonymous):

Directrix (directrix):

This angle with measure x is formed by two chords intersecting in a circle. Its measure can be found as follows: x = (1/2) * ( 65 + 80)

Directrix (directrix):

Crank that out and post what you get for x.

Directrix (directrix):

Here is a statement of the theorem.

Directrix (directrix):

And, a visual of the formula. http://www.mathwarehouse.com/geometry/circle/angles-of-intersecting-chords-theorem.php

Directrix (directrix):

@notamathgirl

OpenStudy (anonymous):

x=145/2........ that can't be right can it ?

OpenStudy (anonymous):

@directrix

Directrix (directrix):

x = (1/2) * ( 65 + 80) Multiply both sides by 2 2x = (65 + 80) Add 65 and 80 and divide that sum by 2 to get the measure x. @notamathgirl

Directrix (directrix):

Post what you get, okay?

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