Question

Prove the following theorem indirectly. We will give you a start.

Prove that a triangle cannot have two right angles.

A triangle cannot have two right angles. Suppose a triangle had two right angles.
(This is Geometry)

Answer 1

if a triangle had two right angles it would not be complete as to make it a triangle all corners have to meet while a 2 right angled triangle does not meet that.

i believe this is the answer