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Solve for a side in right triangles

Solve for a side in right triangles-example-1

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Answer:

Explanation:

anything with that little square equals 90 degrees.

triangles all equal 180 degrees.

so to find b you just...

180=90+45+b

180=135+b

subtract 135 from both sides....

45=b

User Kavetiraviteja
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