Chapter 10 Circles in One Shot Class 10 I Circles - All Concept and Tricks I Term2 I Ashish Sir

Fill in the blanks: (i) The diameter of a circle is … times its radius (ii) The diameter of a circle is the … chord of the circle. (iii) The diameter of a circle pass through…. (iv) A chord of a circle is a line segment with its end points on the … (v) If we join any two points on a circle by a line segment, we obtain… (vi) A radius of a circle is a line segment with one end at …. and the other end at…. (vii) All radii of a circle are… (viii) The diameters of circle are… (ix) The total number of diameters of circle is… (x) Every point on a circle is…from its centre.. (xi) A chord of a circle contains exactly….points of the circle.. (xii) A diameter is the longest… (xiii) Concentric circles are circle having….

Electricity - 3 |Class - 10th Physics| Science Chapter 12| CBSE NCERT | Rajesh Suthar Sir

In a Delta ABC , if (II_(1))^(2)+(I_(2)I_(3))^(2)=lambda R^(2) , where I denotes incentre, I_(1),I_(2) and I_(3) denote centres of the circles escribed to the sides BC, CA and AB respectively and R be the radius of the circum circle of DeltaABC . Find lambda .

In a circle of radius 6 cm, a chord of length 10 cm makes an angle of 110o at the centre of the circle. Find (i) the circumference of the circle, (ii) the area of the circle

If z lies on the circle I z l = 1, then 2/z lies on

The figure shows two circles which intersects at A and B . The centre of the smaller circle is O and lies on the circumference of the Calculate. In terms of a^(@) , the value of (i) abtuse angle AOB (ii) angle ADB Give reassons for your answers clearly.

A particle is moving in a circle of radius R . a. What is its displacement when it covers (i) half the circle, (ii) full circle? b. What is its distance when it comers (i) half the the circle and (ii) full circle ?. .

A whistle is rotated in a horizontal circle. Is there any change in the sound of the whistle, heard by a person standing (i) at the centre of the circle (ii) outside the circle ?