9th Grade Angles Test

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Quizzes Created: 53 | Total Attempts: 28,258

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1/10 Questions

What divides a figure into two congruent parts?
- Dissect
- Divide
- Bisect
- Circumference

About This Quiz

How well do you know about angles from the 9th grade? Take this quick and easy 9th grade angles test to find out. We want to see your supposed skils

2.

An angle bisector is a line that cuts into how many parts?
- 5
- 2
- 3
- 4
Correct Answer

A. 2

Explanation

An angle bisector is a line that cuts an angle into two equal parts. Therefore, the correct answer is 2.

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1
3.

A liter measures the volume of?
- An Angle
- Matter
- Gas
- A Liquid
Correct Answer

A. A Liquid

Explanation

A liter is a unit of measurement used to measure the volume of a liquid. It is commonly used to measure the amount of liquid in containers such as bottles, cups, or tanks. The other options, such as an angle, matter, or gas, are not measured in liters.

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4.

The SI unit of mass is?
- Liter
- Meter
- Pound
- Gram
Correct Answer

A. Gram

Explanation

The SI unit of mass is the gram. The gram is a unit of measurement for mass in the metric system. It is equal to one thousandth of a kilogram. The gram is commonly used to measure the mass of small objects or quantities of substances.

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5.

What is the slope of a horizontal line?
- 1
- 0
- -1
- 2
Correct Answer

A. 0

Explanation

A horizontal line has a slope of 0 because it is parallel to the x-axis and does not have any vertical change. The slope of a line represents the ratio of the vertical change to the horizontal change between any two points on the line. In the case of a horizontal line, the vertical change is 0, resulting in a slope of 0.

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6.

A reflex angle is?
- >180˚
- >180˚
- 360˚
Correct Answer

A. >180˚

Explanation

A reflex angle is an angle that measures greater than 180˚ and less than 360˚. It is formed by the extension of one of the sides of the angle beyond a straight line. In this case, the answer given is ">180˚", indicating that a reflex angle is any angle that is greater than 180˚.

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7.

The largest prefix in the SI system is?
- Deka
- Mili
- Centi
- Kilo
Correct Answer

A. Kilo

Explanation

The largest prefix in the SI system is "kilo". This prefix represents a factor of 1000, meaning that any unit of measurement can be multiplied by 1000 when using this prefix. For example, kilogram represents 1000 grams, and kilometer represents 1000 meters. This makes "kilo" the largest prefix in the SI system, as it represents the largest factor of multiplication.

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8.

Congruent angles are angles that have the same measure and?
- Width
- Shape
- Size
- Length
Correct Answer

A. Size

Explanation

Congruent angles are angles that have the same measure and size. The term "size" refers to the magnitude or extent of something. In the context of angles, size refers to the degree of rotation or the amount of turn between the two angles. When two angles have the same measure, it means that they have the same size, indicating that they cover the same amount of rotation or turn. Therefore, "size" is the appropriate term to describe the characteristic of congruent angles.

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9.

The parallel slope to: 2x - 3y = 30 is?
- 2/3
- -3/2
- 2/-3
- 3
Correct Answer

A. 2/3

Explanation

The given equation is in the form of Ax + By = C, where A = 2, B = -3, and C = 30. To find the parallel slope, we can rearrange the equation to solve for y: -3y = -2x + 30, then divide both sides by -3 to get y = (2/3)x - 10. The coefficient of x, which is 2/3, represents the slope of the line. Therefore, the parallel slope to 2x - 3y = 30 is 2/3.

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10.

When lines intersect, they form what?
- A Right Angle
- An Acute Angle
- A Straight Angle
- An Obtuse Angle
Correct Answer

A. A Right Angle

Explanation

When lines intersect, they form a right angle. A right angle measures exactly 90 degrees and is formed when two lines meet perpendicularly. In this case, the question is asking for the type of angle formed when lines intersect, and the correct answer is a right angle.

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