Question

A triangle has side lengths 10, 15, and 7. Is the triangle acute, obtuse, or right? Explain.
please help me..

Answer 1

15^2 > 10^2 + 7^2
so, it is obtuse

Answer 2

this site might useful :)
http://math.rice.edu/~lanius/Geom/Imposs/

Answer 3

thank you so much.
is 15^2 > 10^2 + 7^2 the explanation?

Answer 4

just check is it true
15^2 > 10^2 + 7^2
225 > 100 + 49
225 > 149
it is right doesnt ?

wlcome :)

Answer 5

Awesome thanks again..