Question

7. Which of the following is a formula to find the sum of interior angles of a polygon A
n-sides ?
2
(a)
180°
2
x 180°
17
©
n + 1
(C)
180°
2
(d) (n - 2) × 180°
8. If the angles subtended by the chords of a circle at the centre are equal, then the chords are:
(a) equal to each other
(b) perpendicular to each other
(c) parallel to each other
(d) not equal to each other​

Answer 1

Answer:

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