Respuesta :

akp6103

Answer:

45 degrees

Step-by-step explanation:

90+45+45=180 degrees

:))

SDCInfinity

Answer:

[tex]m\angle A=45\textdegree[/tex]

Step-by-step explanation:

All triangles have a sum of 180°. The problem shows us that two of the angles are 90° and 45°. Therefore, the last angle is 45°.

[tex]m\angle A+45+90=180\\m\angle A+135=180\\m\angle A=45[/tex]

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