Question

In a circle with Centre O and radius 13cm. AB is a chord. If OM PERPENDICULAR to AB and OM =5cm, what is the length of AB. ​

Answer 1

Answer:

24 cm

Step-by-step explanation:

Given,

Radius=13 cm

Perpendicular line=5 cm

Now, by Pythagoras theorem,

AO²=OM²+AM²

13²=5²+AM²

169=25+AM²

169-25=AM²

144=AM²

AM=√144

AM=12 cm.

Now length of chord AB=12+12

=24 cm

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Answer 2

Answer:

24

Step-by-step explanation:

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