Objective - To classify triangles. Triangle Names Angle Name Acute - All angles less than 90 . Right - Only One angle equal to 90 . Obtuse - Only One angle more than 90 . Side Name - All three sides equal. Equilateral Isosceles - Two sides equal. Scalene - No equal sides.

Classify each triangle. Write isosceles, scalene or equilateral. 1) 3) 5 7 11 3 4 Isosceles Scalene 2) 4) 3 8 9 Equilateral Scalene

Classify each triangle. Write right, acute or obtuse. 1) 3) Obtuse Right 2) 4) Acute Obtuse

Classify each triangle. Write isosceles, scalene or equilateral. 1) 3) 12 5 2 5 13 8 Scalene Scalene 2) 4) 8 8 6 6 Isosceles Isosceles

Classify each triangle. Write right, acute or obtuse. 1) 3) Acute Right 2) 4) Acute Right