The three sides of a triangle are 5 cm, 6 cm, and 10 cm. What is the best description for this triangle?

Question

kc_kennylau · Answer

This triangle is scalene :DDDDDDD

anonymous · Answer

scalene isnt an option

anonymous · Answer

it's not a right triangle, solve for angles to see if it is acute or obtuse.

kc_kennylau · Answer

@theatreliver what's the options?

anonymous · Answer

obtuse triangle
		
equiangular triangle
		
acute triangle
		
right triangle

raden · Answer

if 5^2 + 6^2 < 10^2 then it is obtuse
if 5^2 + 6^2 > 10^2 then it is acute

kc_kennylau · Answer

@RadEn why?

raden · Answer

that's the rule to knowing what kind this triangle
it must be in your book, @kc_kennylau , haha :p

anonymous · Answer

funny, that makes perfect sense but no teacher ever told me that nor have I read it...

kc_kennylau · Answer

@ehuman exactly @RadEn