Question

1 Which of the following does not represent concept of a perfect circle?
tal Wheet bl Button To Full moon (d) Path of revolution of earth around sun
2) What do we use to draw a circle?
tal Set square (b) Protractor (c) Compass
(d) Scale
3) in set notation, cree can be defined as
(a) (P/OP-1.PO.P ex} (b){P/OP = r,r> 0.P&& (C){P/OP = d.d < 0,Pea
(d) {P/OP=r, 120. Pea
where r = radius
4) Circle can be denoted by
(a) (0,) (b) 0 (0)
(0) (,0)
(d) O(,0)
5)
A circle divides the plane into
parts
(a) many
(b) two
(c) three
(d) four
6)
For
(0,r), P, Q €
(0,r), P+Q; so
is a chord of
(0,r).
(a) Po
(b)PQ
(c) PQ
(d)PO
7)
Achord of a circle
is called a diameter of the circle.
(a) Intersecting any two point of circle
(c) which does not pass through its centre
(b) whose length is equal to the radius
(d) passing through its centre
8)
The arc PQ is denoted by
(2) FO (6)FO
The length of minor arc AB =
(CPO
(d) 50
9)
IT-
2A
360
180
180
360
10)
The formula for the circumference of a circle is
(a) 2.tr
(b) 2rtr?
(c) rer²
(d) stre
11)
The length of major arc AB =
(a) 2nr-
(b)2
-
ro
180
(car-
YTH
(d)2tr -
180
180​

Answer 1

Answer:

1. path of revolution of earth around sun
2. compass
3. ...........
4. o
5. many
6. ........
7. ?which does not passes through the centre
8. ........
9. .........
10. ............
11. 2π r
12. .......

hope it helps you