- Angles, Lines, and Polygons
- Home
- Measuring an angle with the protractor
- Acute, obtuse, and right angles
- Naming segments, rays, and lines
- Identifying parallel and perpendicular lines
- Acute, obtuse, and right triangles
- Classifying scalene, isosceles, and equilateral triangles by side lengths or angles
- Finding an angle measure of a triangle given two angles
- Naming polygons
- Drawing and identifying a polygon in the coordinate plane

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- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
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# Acute, obtuse, and right angles Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Acute, obtuse, and right angles**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

**Q 1 - Classify each angle as acute, obtuse, right or straight**

### Answer : A

### Explanation

**Step 1:**

Given angle is more than 90 and less than 180

**Step 2:**

So, the given angle is an obtuse angle.

**Q 2 - Classify each angle as acute, obtuse, right or straight**

### Answer : C

### Explanation

**Step 1:**

Given angle is equal to 90.

**Step 2:**

So, the given angle is a right angle.

**Q 3 - Classify each angle as acute, obtuse, right or straight**

### Answer : B

### Explanation

**Step 1:**

Given angle is equal to 180.

**Step 2:**

So, the given angle is a straight angle

**Q 4 - Classify each angle as acute, obtuse, right or straight**

### Answer : D

### Explanation

**Step 1:**

Given angle is equal to 90.

**Step 2:**

So, the given angle is a right angle.

**Q 5 - Classify each angle as acute, obtuse, right or straight**

### Answer : A

### Explanation

**Step 1:**

Given angle is less than 90.

**Step 2:**

So, the given angle is an acute angle.

**Q 6 - Classify each angle as acute, obtuse, right or straight**

### Answer : B

### Explanation

**Step 1:**

Given angle is less than 90.

**Step 2:**

So, the given angle is an acute angle.

**Q 7 - Classify each angle as acute, obtuse, right or straight**

### Answer : D

### Explanation

**Step 1:**

Given angle is equal to 180.

**Step 2:**

So, the given angle is a straight angle

**Q 8 - Classify each angle as acute, obtuse, right or straight**

### Answer : C

### Explanation

**Step 1:**

Given angle is more than 90 and less than 180

**Step 2:**

So, the given angle is an obtuse angle

**Q 9 - Classify each angle as acute, obtuse, right or straight**

### Answer : A

### Explanation

**Step 1:**

Given angle is more than 90 and less than 180

**Step 2:**

So, the given angle is an obtuse angle

**Q 10 - Classify each angle as acute, obtuse, right or straight**

### Answer : B

### Explanation

**Step 1:**

Given angle is equal to 90.

**Step 2:**

So, the given angle is a right angle.