Question

pls answer the following​

Answer 1

Answer:

1. 180 degrees

2. 8 cm

NOTE :- refer to attached picture for diagram

Solution :-

In right triangle OMA, by Pythagoras theorem,

OA2 = OM2 + AM2     (The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord.)

AM2 = 52 - 32 = 16

AM = 4 cm

AB = 2AM = 2×4 cm = 8 cm

3. perpendicular

Hope this helps u

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