Answers

2016-02-07T11:40:36+05:30
By Phythagorous theorem,
Distance is 12cm

Attachment is below

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2016-02-07T12:15:10+05:30
By pythagorus theorem 


OQ²=OP²+QP²
OP²=OQ²-QP²
OP=√13²-5²
OP=√169-25
OP=√144
OP=12 cm
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