Need math help with triangle PTG that has side lengths of 18 cm, 14 cm and 16cm

label Mathematics
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which type of triangle is triangle PTG

acute

right

isoscles

obtuse

Dec 10th, 2015

Thank you for the opportunity to help you with your question!

lets ABC a triangle with side a,b,c

then if the longest  side is c,

if C^2=a^2+b^2   triangle is right angle

if C^2<a^2+b^2    it's a acute

if C^2>a^2+b^2  its a obtuse


18^2=324

14^2+16^2=452

so

C^2<a^2+b^2 

so the triangle PTG is acute

Please let me know if you need any clarification. I'm always happy to answer your questions.
Dec 10th, 2015

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