Fill in the blank
A triangle has ………. Sides and ……….angles.

Fill in the blank A quadrliateral has ……… sides and ………. Angles.

Fill in the blanks: A right triangle cannot have an ……..angle. The acute angles of triangle triangle are…. Each acute angle of an isosceles right angle measure….. Each angle of an equilateral triangle measure. The side opposite the right angle of a right triangle is called…. The sum of the lengths of the sides of a triangle is called its…..

Fill in the following blanks : A triangle has . . . . sides and . . . . interior angles .