That it must be a right angle triangle because the 3rd angle must be 90 degrees
The longest side is twice as long as the shortest side.
That it has a 90 degree angle and two equal 45 degree angles
false
An obtuse triangle has 1 obtuse angle and 2 acute angles which add up to 180 degrees.
false
The longest side is twice as long as the shortest side.
false
true
true
That it has a 90 degree angle and two equal 45 degree angles
false
There has to be a right angle..... go lakeside hunter answered this
No. One isn't enough. It must have two of them.
false
true
True
An obtuse triangle has 1 obtuse angle and 2 acute angles which add up to 180 degrees.