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Solution:5 and 10 only This is how the book make its reasoning:'first cut the pentagone in 3 triangle making a connection between QT and RT. So we have three triangle QPT, QRT and RTS. We know also that the lenght of any side is less than the sum of the lenght of the other two side Ametting 5 is a s...

by obokan

Sun Jul 17, 2011 2:25 am
Forum: Problem Solving
Topic: A quickier way ?
Replies: 7
Views: 5534

A quickier way ?

Hey Everybody, In pentagon PQRST, PQ=3, QR=2, RS=4,and ST=5. Which of the lenghts 5,10 and 15 could be the value of PT? A 5 only B 10 only C 5 and 10only D 10 and 15 only E 5,10 and 15 the explanation given by the book is very logic but takes a very long time. Because they told us to try each of the...

by obokan

Sun Jul 17, 2011 12:36 am
Forum: Problem Solving
Topic: A quickier way ?
Replies: 7
Views: 5534