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How would you work this out in Maths GCSE Non CALc

Its a non calculator paper and how did you get their

Also part ii was work our the length of BP


I think PQ is 8

But im not sure
(edited 12 years ago)
Reply 1
12/3=4 to get scale factor
2*4= 8, SO U WERE RIGHT

BP= BC + CP
therefore: BC=10/4= 2.5, so 2.5+10=12.5

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