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Ber [7]
4 years ago
12

If ps=6cm and pt=9cm what is pr

Mathematics
1 answer:
devlian [24]4 years ago
4 0
Use metric relations:
TP*PR=PS^2
TS*SR=TR*PS
TP*TR=TS^2
RP*RT=RS^2

Using the first relation,
TP*PR=PS^2
=>
9*PR=6^2
solve for PR
PR=6^2/9=36/9=4

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