Page 1 - 10 Math Worksheet Ch 10-Circles

SAI INTERNATIONAL SCHOOL

Class X

Sub: Mathematics

Worksheet-10.1

Ch-10 CIRCLE

1. The no. of tangents can possible in a circle 1
(a)0
(b)1
(c)2
(d)Infinite

2. The length of the tangent from an external point A on a circle with centre O is 1
(a)always greater than OA
(b)equal to OA
(c)always less than OA
(d)Cannot be estimated

3. If TP and TQ are the two tangents to a circle with centre O so that ∠POQ = 110°, 1
then ∠PTQ is equal to
(a)60°
(b)70°
(c)80°
(d)90°

4. If a parallelogram circumscribes a circle, then it is a: 1
(a)Square
(b)Rectangle
(c)Rhombus
(d)None of the above

5. Two concentric circles are of radii 5 cm and 3 cm. The length of the chord of the 1
larger circle which touches the smaller circle is:
(a)8
(b)10
(c)12
(d)18

6. A circle can have _____parallel tangents at a single time. 1