Varun has been selected by his School to design logo for Sports Day T-shirts for students and staff. The logo design is as given in the figure and he is working on the fonts and different colours according to the theme. In given figure, a circle with centre O isinscribed in a ΔABC, such that it touches the sides AB, BC and CA at points D, E and F respectively. The lengths of sides AB, BC and CA are 12 cm, 8 cm and 10 cm respectively.

Varun has been selected by his School - Teachoo.jpg

Varun has been selected by his School 2 - Teachoo.jpg

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Question 1

Find the length of AD
(a) 7
(b) 8
(c) 5
(d) 9

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Question 2

Find the Length of BE
(a) 8
(b) 5
(c) 2
(d) 9

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Question 3

Find the length of CF
(a) 9
(b) 5
(c) 2
(d) 3

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Question 4

If radius of the circle is 4cm, Find the area of ∆OAB
(a) 20
(b) 36
(c) 24
(d) 48

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Question 5

Find area of ∆ABC
(a) 50
(b) 60
(c) 100
(d) 90

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  1. Chapter 10 Class 10 Circles (Term 2)
  2. Serial order wise

Transcript

Question Varun has been selected by his School to design logo for Sports Day T-shirts for students and staff. The logo design is as given in the figure and he is working on the fonts and different colours according to the theme. In given figure, a circle with centre O isinscribed in a ΔABC, such that it touches the sides AB, BC and CA at points D, E and F respectively. The lengths of sides AB, BC and CA are 12 cm, 8 cm and 10 cm respectively.Question 1 Find the length of AD (a) 7 (b) 8 (c) 5 (d) 9Question 1 Find the length of AD (a) 7 (b) 8 (c) 5 (d) 9(a) 7 Question 2 Find the Length of BE (a) 8 (b) 5 (c) 2 (d) 9(b) 5 Question 3 Find the length of CF (a) 9 (b) 5 (c) 2 (d) 3(d) 3 Question 4 If radius of the circle is 4cm, Find the area of ∆OAB (a) 20 (b) 36 (c) 24 (d) 48(c) 24 Question 5 Find area of ∆ABC (a) 50 (b) 60 (c) 100 (d) 90(b) 60

Chapter 10 Class 10 Circles (Term 2)
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.