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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Proving Geometric Relationships

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Exercise 1 Page 483

What is the definition of a right angle? Of congruent angles?

See solution.

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A right angle is, by definition, an angle that is $9 0^{\circ} .$

Also, congruent angles are, by definition, angles with the same measure. Therefore, since all right angles have a measure of $9 0^{\circ},$ it must be that all right angles are congruent.

Subchapter links

Communicate Your Answer p.477

Monitoring Progress p.478-482

Exercises p.483-486