Question

1) Segment of a circle is the region between an are and _____
2) The chords of a circle which are from the centre are equal.
3) Curved surface area of the hollow cylinder of radii r and r and height h is
4) There is one and only one circle passing through three given
points
(A) collinear (B) non - collinear (C) far - off (D) nearest
5) Which of the following angles can be constructed by using ruler and compass only?
(A) 20 (B) 72" (C) 105° (D) 130"
5) If the volumes of two cones are in the ratio 1:4 and their diameters are in the ratio 4:5, then the ratio of their heights is
(A) 1:5 (B) 5:4 (C)5:16 (D) 25:64​

Answer 1

Answer:

1st)

According to the definition, the part of the circular region which is enclosed between a chord and corresponding arc is known as a segment of the circle.

2nd)

ans and sol in attachment

Answer 2

this answer I hope it is helpful.