Question

Suppose a triangle has sides a, b, and c, and the angle opposite the side of length b is obtuse. What must be true?

Answer 1

which line do you think b is?

Answer 2

a^2+c^2 < b^2
a^2+c^2 > b^2
b^2+c^2 < a^2
a^2+b^2 < c^2

Answer 3

what do you mean?

Answer 4

if you draw a picture it may help.

Answer 5

draw an obtuse triangle

Answer 6

okay

Answer 7

what so unique about the line across the obtuse angle?

Answer 8

it's the largest?

Answer 9

there you go!

Answer 10

it has to be longest line

Answer 11

not that hard is it?

Answer 12

does that mean that a^2 + c^2 > b^2?

Answer 13

if you try it with 3,4,5 you can easily get the answer...

Answer 14

plug it in all of the equations

Answer 15

that's the only one that is true i think :o

Answer 16

show me ur steps