Area Related to Circle

Area related to circle

Chapter- 12 Areas Related to Circles Exercise: 12.1 Unless stated otherwise, use π =22/7.   1. The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles. Answer Let the radius of the … Read more

NCERT Solutions Class 10 Maths Real Numbers

NCERT Solutions Class 10 Maths Real Numbers

NCERT Solutions Class 10 Maths Real Numbers CHAPTER 1 (REAL NUMBER) QUESTION-1 Use Euclid’s division algorithm to find the HCF of: i)135 and 225 ii)196 and 38220 iii)867 and 225 Solution: i) We start with the larger number i.e 225 By Euclid’s division algorithm, we have 225=1×135+90 135=1×90+45 90=2×45+0 Hence, HCF(225,135)=HCF(135,90)=HCF(90,45)=45 Therefore, the HCF of … Read more

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