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Answered

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math question pls help me

Math Question Pls Help Me class=

Sagot :

zidaneboussofi2005

Answer:

A. 45°

Step-by-step explanation:

The sum of all the angles in a quadrilateral must be 360. This means that you need to subtract 135, 90, and 90 from 360 to get the unknown angle.

360 - 90 - 90 - 135 = 45°

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