Question

What is the rule to know if a triangle is an obtuse, acute, or right?

Answer 1

Acute angle - angle between 0 degree and 90 degree
Right - 90 degree angle
Obtuse - Between 90 degree and 180 degree

Answer 2

No, in geometry for trig.

Answer 3

There's a specific rule.

Answer 4

CALCULATE A^2 + b^2 and c^2

if C^2 is > then its obtuses
if C^2 = than its right
if c^2< than its acute

Answer 5

Thanks! Can you help me with a question? I'll post it with your name.

Answer 6

k

Answer 7

Where c is the longest side of the triangle. Read the guidelines in the attached file below.