NCERT Class 9
2. A chord of a circle is equal to the radius of the circle. Find the angle subtended by the chord at a point on the minor arc and also at a point on the major arc.
15
Oct
2. A chord of a circle is equal to the radius of the circle. Find the angle subtended by the chord at a point on the minor arc and also at a point on the major arc. 2. A chord of a circle is equal to the radius of the circle. Find the angle subtended [...]
1. In Fig. 10.36, A,B and C are three points on a circle with centre O such that angle BOC = 30° and angle AOB = 60°. If D is a point on the circle other than the arc ABC, find angle ADC.
15
Oct
1. In Fig. 10.36, A,B and C are three points on a circle with centre O such that angle BOC = 30° and angle AOB = 60°. If D is a point on the circle other than the arc ABC, find angle ADC. 1. In Fig. 10.36 A) B and C are three points on [...]
6. A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk each other. Find the length of the string of each phone.
15
Oct
6. A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk each other. Find the length of the string of each phone. 6. A circular park of radius 20m is [...]
5. Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between Reshma and Mandip?
15
Oct
5. Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between [...]
Tags:
5. Three girls Reshma ,
Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6m each ,
Salma and Mandip are playing a game by standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma ,
Salma to Mandip ,
what is the distance between Reshma and Mandip? ,
4. If a line intersects two concentric circles (circles with the same centre) with centre O at A, B, C and D, prove that AB = CD (see Fig. 10.25).
15
Oct
4. If a line intersects two concentric circles (circles with the same centre) with centre O at A, B, C and D, prove that AB = CD (see Fig. 10.25). 4. If a line intersects two concentric circles (circles with the same centre) with centre O at A B C and D prove that AB [...]
3. If two equal chords of a circle intersect within the circle, prove that the line joining the point of intersection to the centre makes equal angles with the chords.
15
Oct
3. If two equal chords of a circle intersect within the circle, prove that the line joining the point of intersection to the centre makes equal angles with the chords. 3. If two equal chords of a circle intersect within the circle prove that the line joining the point of intersection to the centre makes [...]
2. If two equal chords of a circle intersect within the circle, prove that the segments of one chord are equal to corresponding segments of the other chord.
15
Oct
2. If two equal chords of a circle intersect within the circle, prove that the segments of one chord are equal to corresponding segments of the other chord. 2. If two equal chords of a circle intersect within the circle prove that the segments of one chord are equal to corresponding segments of the other [...]
1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord.
15
Oct
1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord. 1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the [...]
3. If two circles intersect at two points, prove that their centres lie on the perpendicular bisector of the common chord.
15
Oct
3. If two circles intersect at two points, prove that their centres lie on the perpendicular bisector of the common chord. 3. If two circles intersect at two points prove that their centres lie on the perpendicular bisector of the common chord. October 15, 2020 Category: Chapter 10 - Circles , Maths , NCERT Class [...]
2. Suppose you are given a circle. Give a construction to find its centre.
15
Oct
2. Suppose you are given a circle. Give a construction to find its centre. 2. Suppose you are given a circle. Give a construction to find its centre. October 15, 2020 Category: Chapter 10 - Circles , Maths , NCERT Class 9 ,