Question

help please

Answer 1

a^2 + b^2 > c^2 => acute-angled

Answer 2

So we know that this triangle is acute

Answer 3

So now we know that A is definitely true and B is not

Answer 4

oh your right thank you

Answer 5

We also now know that C is true and D is not

Answer 6

So only A and C are true

Answer 7

k thanks