Class 10 Maths Chapter 8 Circles Exercise 8.1 NCERT Solutions

Answer:

2. Fill in the blanks: 

(i) A tangent to a circle intersects it in _______________ point(s). 

(ii) A line intersecting a circle in two points is called a _______________. 

(iii) A circle can have _______________ parallel tangents at the most. 

(iv) The common point of a tangent to a circle and the circle is called _______________.

Answer:

(i) one 

(ii) secant 

(iii) two 

(iv) point of contact 

3. A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ = 12 cm. 

Answer:

4. Draw a circle and two lines parallel to a given line such that one is a tangent and the other, a secant to the circle.

Answer:

AB || CD || EF AB, CD and EF are three parallel lines where EF is the tangent to the circle. Here CD is secant (Intersecting circle at 2 points P and Q)

How to Score Better in Class 10 Maths Exam?

Scoring well in Class 10 Maths requires clear concepts, regular practice, and a focus on accuracy and answer presentation. To score better, you should:

• Build Strong Concepts:

Focus on understanding concepts in Class 10 Maths instead of memorising steps, as this helps in solving application-based questions.

• Work on Weak Areas:

Focus on difficult topics from the Class 10 Maths syllabus instead of skipping them to avoid losing marks.

• Revise Formulas Daily:

Regular revision of PW Class 10 Maths MIQs helps avoid calculation mistakes in exams.

• Practise Regularly:

Solve all  CBSE Class 10 NCERT questions multiple times to strengthen your basics and improve accuracy.

• Solve Previous Year Papers:

Practising  CBSE Class 10 Previous Year Question Papers (PYQs) helps you understand question patterns and important topics.