SOLUTION: PQR is an isosceles triangle such that QP=QR=13cm and the altitude PS=12cm. Find the length of PR.
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Question 91774: PQR is an isosceles triangle such that QP=QR=13cm and the altitude PS=12cm. Find the length of PR.
Answer by mathispowerful(115) (Show Source): You can put this solution on YOUR website!
This problem can be solved by using Pythagorean-theorem twice.
First find QS:
= 25
QS = 5
Then RS = QR - QS = 13 - 5 = 8
PR =
PR =
PR =
PR =
or PR = 14.42
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