Question

Please help me if you know answer

Answer 1

Answer: The 3rd one is correct

Explanation:

Option 1 doesn't even add up to 180 degrees

Option 2 is isosceles

Option 4 is an Obtuse triangle

This leaves only Option 3.

Answer 2

the answer would be 36,57,87 because it has to be equal to 180

and its an acute angle

Explanation: