Q2:

Rachel, an engineering student, was asked to make a model shaped like a cylinder with two cones attached at its two ends by using a thin aluminium sheet. The diameter of the model is $3$ cm and its length is $12$ cm. If each cone has a height of $2$ cm, find the volume of air contained in the model that Rachel made. (Assume the outer and inner dimensions of the model to be nearly the same.)

Teaching since last 20 years

I was a working professional .Left my job and started teaching as a tutor. I have been a national level debater . I am a famous teacher amongst my students .

I am Mopidevi Padmaja, an experienced Math Teacher, Quantitative Aptitude Coach, and Certified Vedic math trainer. I teach CBSE 9th and 10th Math, Quantitative Aptitude for Competitive exams (CAT, SSC, RRB, etc.) & Vedic Maths starting from grade 6 to graduation level students. -------------------------------------------------------------------------------------------------- I hold an Engineering degree & am an Associate Member of the Institution of Engineers (India) I am also a certified Vedic Math trainer -------------------------------------------------------------------------------------------------- I have over 10+ years of teaching experience both online & offline. I have taught over 1000+ students to date. I have been teaching online for the last 7 years for Indian and overseas students. I am familiar with various teaching platforms available online and comfortable using them. -------------------------------------------------------------------------------------------------- I have a passion for making Math the easiest, simple, and most fun subject for students. I work on various learning issues in Math, like Math phobia, focus problems, word problem understanding, concept understanding, confusion, time management in math exams, and silly mistakes which is a major problem for most students. I could help my students to score more than 90% marks in Maths subjects who were losing around 20 to 25 marks by confusion in concepts, silly mistakes, lack of time management in math exams, etc. I am successful in making Math an interesting and easy subject for my students who have hated Math. -------------------------------------------------------------------------------------------------- I thoroughly teach fundamentals, concepts, formulae, and guide with smart ways of doing calculations, smart ways of doing word problems, strategies for solving questions, etc. I use visual aids in teaching like 2D animated PowerPoint presentations. I make students comfortable and at ease and encourage them to ask their doubts during a session and even after sessions through messages. I respond to messages within a short time. If more students have doubts about a specific topic I even take a special session for them. I always try to improve my techniques of assessment by using a quiz, worksheets, test papers, Sample papers, etc., so that I can do 100 % assessment and take the necessary steps to improve my students. Every student is important to me. In each session, I teach according to the needs and understanding levels of my students. I work with students having various intellectual and behavioral capabilities. I learn to teach and teach to learn. My ultimate goal is to help the student to become an independent learner. I believe marks are not about grades and ranks but about building confidence levels in students. ---------------------------------------------------------------------------------------------- I continuously upgrade myself by attending workshops, and webinars, browsing the internet and reading lots of books. I use Digital Media for a lot of learning new developments in the field of my teaching. I attend webinars & seminars and interact with other teachers & professionals from across the world.

I am a teacher of mathematics. I am giving online tuitions and tuitions at my home in Jaipur(Rajasthan). I have done M.Sc. , B.Ed. in mathematics. I have experience of 10 years of teaching mathematics , Vedic Mathematics and Olymiads.

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