Revision on Triangles

Master triangle types! Classify by sides & angles. Solve for unknown angles. Fun math practice.

1) Complete the following statement with the best choice.Triangles can be classified by angles vertices sides sides and angles 2) A triangle that has one right angle is called a _. obtuse triangle right triangle acute triangle 3) This triangle is called _. a right triangle an acute triangle an obtuse triangle 4) This is _ triangle. an equilateral a scalene an isosceles 5) A triangle that has two equal sides is called _ triangle. a right a scalene an isosceles 6) Because of its sides and angles, this is a _. a right equilateral triangle a right isosceles triangle a right scalene triangle an acute isosceles triangle 7) This is an _ triangle. acute scalene obtuse isoceles acute equilateral 8) Find the unknown angle (x), for the following triangles. Write ONLY the number.a) a) 82 degrees b) b) 9 degrees c) c) 128 degrees