Q8:

A quadrilateral $ABCD$ is drawn to circumscribe a circle (see Fig. 10.12). Prove that $AB + CD = AD + BC$.

This is Prita Chatterjee with 27 years of teaching in the Engineering College and Schools .I teach Maths for all the boards - IB AA(SL& HL) ,IB - AI(HL&SL),Integrated Maths ,MYP ,Cambridge A Level , Additional Maths, IGCSE O Level, ISC, ICSE , CBSE .Presently, I am tutoring students from U.S. France, Austrailia , Netherland , Japan, Singapore, Malaysia , Thailand , Phillipines , Dubai , Riyadh , Doha, and pan India . I would love to teach from basics . .If you would like me to teach your child , kindly let me know ,so we can schedule a demo ,as per suitability.

I am a professional teacher with more than 25 years of teaching experience in prestigious schools of India.My teaching assures value for money and produce best results.I emphasize on concepts clarity and create natural interest in the subject.

I have taught my two sons when they were in class 10. They manged to clear the IIT JEE exam in 1st attempt. I teach by example, which helps the students to visualize the concepts and ideas. I believe in participative learning where the student also gives their viewpoints. This is how they start enjoying the subject and their performance level increases automatically.

With 12 years of teaching experience, I specialize in concept-based instruction, catering to both weaker students and advanced learners. I help struggling students grasp core concepts while providing advanced-level teaching to high achievers, enabling them to consistently reach 95% or higher in their academic performance.

Teaching Experience in Detail (Class 10 Tuition) I have over 10 years of experience teaching CBSE, ICSE, and State Board Class 10 students, helping them achieve excellent results in their board examinations through a structured and concept-oriented teaching approach. I specialize in Science, Mathematics, Social Science, and English, ensuring students develop a thorough understanding of each subject rather than relying on rote learning. My teaching methodology begins with strengthening fundamental concepts, followed by chapter-wise practice, NCERT-based learning, important board questions, competency-based questions, case study questions, and previous years' board papers. Regular assignments, periodic tests, and detailed performance analysis help students identify weak areas and improve consistently. I provide personalized attention to every student by adapting my teaching style to their learning pace. My classes include interactive discussions, doubt-clearing sessions, revision plans, and exam-oriented strategies that build confidence and improve time management. My objective is to help students not only score high marks in the Class 10 Board Examination but also develop strong analytical and problem-solving skills that prepare them for higher secondary education. Through consistent guidance, disciplined practice, and individual mentoring, I strive to make learning enjoyable, effective, and result-oriented.