Math, asked by manjula7282, 4 months ago

correct option only...please fast

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Answers

Answered by inderjot10

3

32 cm

....... .. ..........

Answered by yash22195

1

Answer:

B. 32cm

Step-by-step explanation:

In Triangle OAC

by Pythagoras theorem

(OA)2= (OC)2 + (AC)2

(20)2= (12)2 + (AC)2

(AC)2= 400-144

(AC)2=256

AC=✓256

AC=16cm

AB=AC+BC

AB=16+16 (AC=BC)

AB=32cm

so the length of the cord is 32 cm (B)

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