kristasearles kristasearles

22-02-2018
Mathematics

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(12)
Using the side-splitter theorem
PB/PA = QC/QA
18/9 = 10/x
Cross multiply into 90 = 18x x =5

My answer : x = 5

12 Using the sidesplitter theorem PBPA QCQA 189 10x Cross multiply into 90 18x x 5 My answer x 5 class=

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jimthompson5910 jimthompson5910

22-02-2018

Correct.

PB is twice that of PA
So QC must be twice that of QA

The triangles are similar triangles.

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