purplesnitch purplesnitch

31-03-2017
Mathematics

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In the diagram, PQR is a equilateral triangle. Given that QT=TR, find the length, in cm, of PT, correct to 2 decimal places.

Help, please! :(((

In the diagram PQR is a equilateral triangle Given that QTTR find the length in cm of PT correct to 2 decimal places Help please class=

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T06great T06great

31-03-2017

the length of RT=12÷2=6cm

the length of PT
6^2+PT^2=12^2
PT=√108
PT=10.392 decimal places

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