Exercise 14.4, Chapter 14 Class 10 Statistics The following distribution gives the daily income of 50 workers of a factory. Convert the distribution above to a less than type cumulative frequency distribution,and draw its ogive During the medical check-up of 35 students of a class, their weights were recorded asfollows: Draw a less than type …
Exercise 14.3, Chapter 14 Class 10 Statistics The following frequency distribution gives the monthly consumption of electricity of68 consumers of a locality. Find the median, mean and mode of the data and comparethem. 2. If the median of the distribution given below is 28.5, find the values of x and y. 3. A life insurance …
Exercise 14.2, Chapter 14 Class 10 Statistics The following table shows the ages of the patients admitted in a hospital during a year: Find the mode and the mean of the data given above. Compare and interpret the twomeasures of central tendency. 2. The following data gives the information on the observed lifetimes (in hours) …
Exercise 14.1, Chapter 14 Class 10 Statistics 1. A survey was conducted by a group of students as a part of their environment awarenessprogramme, in which they collected the following data regarding the number of plants in20 houses in a locality. Find the mean number of plants per house. 2. Consider the following distribution of …
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.2 Q.1 Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. Q.2 Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are …
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.2 Read More »
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.1 Fill in the blanks:(i) The centre of a circle lies in……… of the circle. (exterior/ interior) (ii) A point, whose distance from the centre of a circle is greater than its radius lies in………..of the circle. (exterior/ interior) (iii) The longest chord of a …
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.1 Read More »
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.6 1. Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection. 2. Two chords AB and CD of lengths 5 cm and 11 cm respectively of a circle are parallel to each other and are …
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.6 Read More »
Theorem for Class 9, Chapter 10, Circle, Class 9, CBSE Theorem 10.1 : Equal chords of a circle subtend equal angles at the centre. Theorem 10.2 : If the angles subtended by the chords of a circle at the centre are equal, then the chords are equal. Theorem 10.3 : The perpendicular from the centre …
Theorem for Class 9, Chapter 10, Circle, Class 9, CBSE Read More »
Examples of NCERT Chapter 10, Circles, CBSE Example 1 : Given an arc of a circle, complete the circle. Example 2 : If two intersecting chords of a circle make equal angles with the diameter passing through their point of intersection, prove that the chords are equal. Example 3 : In Fig. 10.32, AB is …
Examples of NCERT Chapter 10, Class 9, Circles, CBSE Read More »
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.5 Q.1 In Fig. 10.36, A,B and C are three points on a circle with centre O such that ∠ BOC = 30° and ∠ AOB = 60°. If D is a point on the circle other than the arc ABC, find ∠ADC. Q.2 A …
NCERT Solution for Class 9, CBSE, Chapter 10, Circle, Exercise 10.5 Read More »
