3 years ago

Solve for a, geometry work

Mathematics

2 answers:

zmey [24]3 years ago

6 0

Sum of interior angles in a triangle =180
a+a+90=180
2a+90=180
2a=180-90
2a=90
a=90/2
a=45

melisa1 [442]3 years ago

4 0

Answer:

a = 45 degrees

Step-by-step explanation:

Since both angles are a, they are equal to each other

Also, we know that the right angle means it measures 90 degrees

So, (180-90)/2 = a

a = 45 degrees

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