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In the diagram, what is the perimeter of $\triangle PQS$?

 Sep 14, 2020
 #1
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The perimeter of triangle PQS is 76.

 Sep 14, 2020
 #3
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Check your figures again; the perimeter is not 76.  

 

                               QP  =  12 

                               QS  =  35  

                               SP   =  37  

 

The perimeter is the total of the three sides. 

Guest Sep 14, 2020
 #2
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Use Pythagoras' Theorem to find PQ:            PQ2  =  132 – 52   

 

Once you've found the value of PQ 

Use Pythagoras' Theorem to find QS:             QS2  =  372 – PQ2    

 

Now you have all three sides.  Add them up. 

Post back if you don't know how to do square root stuff. 

.

 Sep 14, 2020

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