# Pre-test For Tec546: Two-dimensional Shapes: Angles

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Description: Activities that will be assigned to the students in class 1 - Neal's Class 2010-2011are through Pearson SuccessNet Mathematics Success Tracker Premium 2011 FL G3: Tutorial #1: Tools 4 math Workshop: Angles Tutorial #2: Visual Learning Animation: Angles Video: Lines are EverywhereWorksheets: Acute, Right, and Obtuse Angles��

• 1.

### What is the name for the figure below?

• A.

Parallel lines

• B.

A line

• C.

A point

B. A line
Explanation
The figure below is a straight line. It is a one-dimensional geometric shape that extends infinitely in both directions. A line is defined by two points and contains an infinite number of points. It has no width or thickness and can be represented by a straight, continuous curve.

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• 2.

### Which of these clock’s hands show an obtuse angle?

• A.

Clock A

• B.

Clock B

• C.

Clock C

B. Clock B
Explanation
Clock B shows an obtuse angle because the hour hand and minute hand are pointing in opposite directions, creating an angle greater than 90 degrees.

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• 3.

### Which term best describes the angle above?

• A.

Acute

• B.

Obtuse

• C.

Right

A. Acute
Explanation
The term "acute" best describes the angle above because an acute angle is an angle that measures less than 90 degrees.

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• 4.

### Which clock’s hands show an acute angle?

• A.

Clock B

• B.

Clock C

• C.

Clock A

C. Clock A
Explanation
Clock A shows an acute angle between its hands.

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• 5.

### What is the name for the figure below?

• A.

Obtuse

• B.

Right

• C.

Acute

A. Obtuse
Explanation
The figure below is called "obtuse" because it has an angle that is greater than 90 degrees.

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• 6.

### Which clock’s hands show an right angle?

• A.

Clock C

• B.

Clock A

• C.

Clock B

A. Clock C
Explanation
Clock C is the correct answer because it is the only clock that has hands that form a right angle. The hour hand and minute hand of Clock C are positioned at 3 and 9 respectively, forming a right angle between them. Clock A and Clock B do not have their hands positioned in a way that forms a right angle.

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• 7.

### What is the name for the figure below?

• A.

Obtuse

• B.

Right

• C.

Acute

B. Right
Explanation
The figure below is called a right angle. A right angle is formed when two lines or line segments meet at a 90-degree angle. In the given figure, the two lines meet at a 90-degree angle, making it a right angle.

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• 8.

### Which angle has exactly 90 degrees?

• A.

Obtuse

• B.

Acute

• C.

Right

C. Right
Explanation
A right angle is the angle that measures exactly 90 degrees. It is formed when two lines intersect and create a square corner. In a right angle, one of the lines is perpendicular to the other, dividing the angle into two equal parts of 45 degrees each.

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• 9.

### Which angle has more than 90 degrees?

• A.

Acute

• B.

Obtuse

• C.

Right

B. Obtuse
Explanation
An obtuse angle has more than 90 degrees.

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• 10.

### Which angle has less than 90 degrees?

• A.

Acute

• B.

Right

• C.

Obtuse

A. Acute
Explanation
An acute angle is an angle that measures less than 90 degrees. It is smaller than a right angle (90 degrees) and an obtuse angle (greater than 90 degrees). Therefore, an acute angle is the correct answer because it is the only option that fulfills the condition of having less than 90 degrees.

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• Current Version
• May 24, 2024
Quiz Edited by
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• Apr 12, 2011
Quiz Created by
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