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Geometry Chapter 1: Understanding Angles

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Geometry Chapter 1: Understanding Angles

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Questions and Answers

What is the primary characteristic of an acute angle?

Its measure is greater than 90 but less than 180

Its measure is exactly 90

Its measure is greater than 0 but less than 90 (correct)

Its measure is 0

What is the definition of congruent angles?

Angles with the same vertex

Angles with the same orientation

Angles with the same side

Angles with the same measure (correct)

What is the symbol for a right angle?

(correct)

What divides an angle into two congruent angles?

An angle bisector Signup and view all the answers

What is the measure of an obtuse angle?

Greater than 90 but less than 180 Signup and view all the answers

What is the Angle Addition Postulate about?

If D is in the interior of, then Signup and view all the answers

What is the union of in the definition of an angle?

Two noncollinear rays with a common endpoint Signup and view all the answers

How can an angle be named using capital letters?

The vertex is written between the other two letters Signup and view all the answers

What is the result of naming an angle using a single capital letter when two or more angles share the same vertex?

Total confusion Signup and view all the answers

What is an angle separated into when it is in a plane?

Three sets of points Signup and view all the answers

What is associated with every angle?

A real number Signup and view all the answers

What is the difference between an angle and its measure?

An angle is the angle itself, and its measure is a real number Signup and view all the answers

What is the unit of measurement for angles?

Degrees Signup and view all the answers

What is the range of measure for an angle?

0 to 180 Signup and view all the answers

What is the purpose of a protractor?

To determine the measure of an angle Signup and view all the answers

How can you find the measure of two coplanar angles with a common vertex and a common side?

Add the measures of the two angles Signup and view all the answers

What is the symbol for degree?

° Signup and view all the answers

What is the purpose of Postulate 6: The Angle Construction Postulate?

To construct an angle with a given measure Signup and view all the answers