# Geometry Unit One Test Review #1 (Vocabulary And Types Of Angles)

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• 1.

### A basic undefined term of geometry. Have no size. In a figure is represented by a DOT. Named by capitol letters. I am a_____

Point
Explanation
The correct answer is "Point." In geometry, a point is a basic undefined term that has no size and is represented by a dot. Points are named using capital letters.

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• 2.

### A basic undefined term of geometry. Extend indefinitely and have no thickness or width. In a figure, shown with arrows at each end. Are usually named by lower case script letters or by writing capital lettersfor 2 points on the line with a double arrow over the pair of letters. I am a ______

Line
Explanation
A line is a basic undefined term in geometry that extends indefinitely and has no thickness or width. It is represented in a figure with arrows at each end. Lines are usually named by lower case script letters or by writing capital letters for two points on the line with a double arrow over the pair of letters.

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• 3.

### A basic undefined term of geometry. Can be thought of as flat surface that extends indefinitely in all directions. Often represented as a parallelogram. Usually named by capitol script or 3 noncolinear points. I am a _____

Plane
Explanation
The given statement describes a basic undefined term in geometry that refers to a flat surface extending infinitely in all directions. It is often represented as a parallelogram and can be named by either capital script or three noncollinear points. The correct answer to this question is "plane."

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• 4.

### Angle S is an example of an ______

Angle Bisector
Angle Bisecter
Explanation
The line S bisects the angle PQR, making S an angle bisector

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• 5.

### An angle that is a total of 90 degress is a (n)______

• A.

Obtuse angle

• B.

Acute angle

• C.

Right angle

• D.

Straight angle

C. Right angle
Explanation
A right angle is a type of angle that measures exactly 90 degrees. It is formed when two lines intersect each other perpendicular to each other. In a right angle, one of the angles formed is 90 degrees, while the other angle is also 90 degrees. This makes a right angle the perfect angle for creating squares and rectangles, as the corners of these shapes are always right angles.

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• 6.

### An angle that is more than 90 degrees but less than 180 degrees is a(n) _____

• A.

Right angle

• B.

Obtuse angle

• C.

Acute angle

• D.

Straight angle

B. Obtuse angle
Explanation
An angle that is more than 90 degrees but less than 180 degrees is called an obtuse angle. This type of angle is larger than a right angle (which measures exactly 90 degrees) but smaller than a straight angle (which measures exactly 180 degrees). An obtuse angle can be identified by its openness and the fact that it is wider than a right angle.

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• 7.

### An angle that is straight is a(n) _____

• A.

Striaght angle

• B.

Obtuse angle

• C.

Square

• D.

Muffins.....yum

A. Striaght angle
Explanation
A straight angle is formed when two lines are opposite to each other and create a straight line. It measures exactly 180 degrees. Therefore, the correct answer is "straight angle."

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• 8.

### An angle that measures less than 90 degrees in a(n) _____

• A.

Postulate

• B.

Acute angle

• C.

Right angle

• D.

Complementary angle

A. Postulate
C. Right angle
Explanation
An angle that measures less than 90 degrees is known as an acute angle. However, the question asks for a term that is related to a postulate, and a right angle fits this description. A right angle is a 90-degree angle and is often used as a fundamental postulate in geometry.

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• Mar 21, 2023
Quiz Edited by
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• Oct 05, 2009
Quiz Created by
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