true:right angles are similar
True. It could not have 2 right angles, because the combined angles of a triangle equal 180 and 2 right angles would leave the final side at 0 degrees.
True. With similar triangles the corresponding angles are equal.
True.
FALSE because a rectangle has 4 right angles.
False. The angles will be congruent, but the sides not so.
true
false
false
False.
True because when they have the same interior angles then they are similar in shape
False.
What is a 'Straight Angle'???? Perpendicular lines meet at 90 degrees ( right- angles).