Lines and Angles Class 9 Worksheet

Lines and Angles Class 9 Worksheet

Lines and Angles Class 9 Worksheet


Maths worksheets play a vital role in strengthening the maths concepts. After studying the concepts of mathematics, revision of questions related to that particular topic is very important for the students. This assesses the preparation of the students. Students can assess themselves by its own by solving the worksheets problems. Parents and teachers can also assess the students by giving them these worksheets to the students to solve.

Maths-formula brings such worksheets on Lines and Angles Class 9 for you. By solving these worksheets, you can increase the understanding of the concepts learnt. These worksheets are prepared by experienced teachers and subject matter experts.

Thus, let us try to attempt these questions to solve and assess yourself. Parents and teachers can also give these questions to the students to test them. Unit tests can also be prepared by the teachers using these questions.


Lines and Angles Class 9 Worksheet


1. If the complement of an angle is equal to the supplement of four times the angle, then find the measure of the angle.

2. In a ΔABC, A + B = 110°, C + A = 135°. Find A.

3. In the given figure, what value of x will make AOB a line?

4. In the given figure, AB II ED, find x.

5. Determine the value of x in the given figure if AB II CD II EF.

6. In a triangle, if 4A = 3B = 12C, find all the angles.

7. The angles of a triangle are in the ratio 3 : 7 : 8. Find the angles of the triangle.

8. In the given figure, l II m. Show that 1 + 2 – 3 = 180°.

9. In the given figure, find the value of x.

10. Find x, if AB II CD II EF.

11. If a transversal cuts two parallel straight lines and is perpendicular to one of them, show that it will be perpendicular to the other line also.

12. If two parallel lines are intersected by a transversal, show that the bisectors of any corresponding angles are parallel.

13. If two lines are intersected in such a way that the bisectors of a pair of corresponding angles are parallel, show that the given lines are parallel to each other.

14. Prove that the bisectors of a pair of alternate angles of two lines are parallel.

15. In the given figure, TU II SR and TR II SV, then find a and b.

16. In the given figure, prove that P + Q + R + S + T is equal to two right angles.

17. In the given figure, bisector of B and D of a quadrilateral ABCD meet CD and AB produced at P and Q respectively. Prove that P + Q = (ABC + ADC)/2.

Maths Worksheets for Other Chapters of Class 9

1. Surface area and volume class 9 worksheets

2. Circles class 9 worksheets

3. Area of parallelograms and triangles worksheets

4. Triangles class 9 worksheets

5. Number system class 9 worksheets

6. Polynomials class 9 worksheets

7. Coordinate geometry class 9 worksheets

8. Linear equations in two variables class 9 worksheets

9. Introduction to Euclid’s geometry class 9 worksheets

11. Quadrilaterals class 9 worksheet

12. Heron’s formula class 9 worksheet

13. Statistics class 9 worksheets

14. Probability class 9 worksheet


Maths Worksheets for Other Classes

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