Class 4 Exam  >  Class 4 Notes  >  Mathematics for Class 4  >  Practice Problem: Geometry - 1

Practice Problem: Geometry - 1 | Mathematics for Class 4 PDF Download

Q.1. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4

Since the angle is at 90 degrees, therefore it will be called as a right angle.
RightRight


Q.2. Classify the angles as acute, obtuse or right.

Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the given angle is above 90 degrees, therefore it will be called an obtuse angle.Practice Problem: Geometry - 1 | Mathematics for Class 4
Obtuse 

 

Q.3. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the angle above has an angle of more than 90 degrees, it will be called as an obtuse angle.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Q.4. Classify the angles as acute, obtuse or right.

Practice Problem: Geometry - 1 | Mathematics for Class 4



Answer. Since the angle given above is less than 60 degrees, it will be called an acute angle.Practice Problem: Geometry - 1 | Mathematics for Class 4
Acute


Q.5. Classify the angles as acute, obtuse or right.

Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the angle given above is less than 60 degrees, it will be called an acute angle.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Q.6. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the angle is at 90 degrees, therefore it will be called as a right angle.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Q.7. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the given angle is above 90 degrees, therefore it will be called an obtuse angle.
Practice Problem: Geometry - 1 | Mathematics for Class 4



Q.8. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the angle given above is less than 60 degrees, it will be called an acute angle.
Practice Problem: Geometry - 1 | Mathematics for Class 4



Q.9. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the angle given above is less than 60 degrees, it will be called an acute angle. 
Practice Problem: Geometry - 1 | Mathematics for Class 4


Q.10. Classify the angles as acute, obtuse or right.
Practice Problem: Geometry - 1 | Mathematics for Class 4


Since the given angle is above 90 degrees, therefore it will be called an obtuse angle. 
Practice Problem: Geometry - 1 | Mathematics for Class 4

The document Practice Problem: Geometry - 1 | Mathematics for Class 4 is a part of the Class 4 Course Mathematics for Class 4.
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FAQs on Practice Problem: Geometry - 1 - Mathematics for Class 4

1. What is geometry?
Ans. Geometry is a branch of mathematics that deals with the study of shapes, sizes, and properties of figures and spaces.
2. What are the different types of angles in geometry?
Ans. In geometry, there are several types of angles, including acute angles (less than 90 degrees), right angles (exactly 90 degrees), obtuse angles (more than 90 degrees but less than 180 degrees), and straight angles (exactly 180 degrees).
3. How are triangles classified in geometry?
Ans. Triangles in geometry can be classified based on their sides and angles. Based on sides, triangles can be classified as equilateral (all sides equal), isosceles (two sides equal), or scalene (no sides equal). Based on angles, triangles can be classified as acute (all angles less than 90 degrees), right (one angle is 90 degrees), or obtuse (one angle greater than 90 degrees).
4. What is the Pythagorean theorem in geometry?
Ans. The Pythagorean theorem is a fundamental concept in geometry that states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.
5. How is the area of a circle calculated in geometry?
Ans. The area of a circle in geometry is calculated using the formula A = πr^2, where A represents the area and r represents the radius of the circle.
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