Area and Perimeter Triangles.

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Presentation transcript:

Area and Perimeter Triangles

Different Triangles Scalene – all 3 sides have different lengths (measures) A B C Isosceles – 2 of the 3 sides have the same length (measures) A A Equilateral – all 3 sides have the same lengths (measures) A A

Formulas

Scalene Triangle Example 1: 4 in 5 in 3 in

Scalene Triangle Your Turn: 6 in 9 in 3 in

Isosceles Triangle Example 2: 10 cm 10 cm 8 in 12 cm

Isosceles Triangle Your Turn: 8 cm 8 cm 6 in 10 cm

Equilateral Triangle Example 3: 16.4 cm 16.4 cm 16.4 cm 7.9 cm

Equilateral Triangle You Turn: 20 cm 20 cm 20 cm 8 cm

Assignment Area, Perimeter, and Classification of Triangles