Clasifying triangles

Front

Use the angles to classify the triangles: all angles less than 90° - acute triangle; 1 angle is equal to 90° - right triangle; 1 angle is greater than 90° - obtuse triangle.

Back

right triangle

Front

Use the sides to identify the triangle: 0 sides the same - scalene triangle, 2 sides the same - isosceles triangle, 3 sides the same - equilateral triangle

Back

acute triangle

Front

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Back

scalene triangle

Front

Identify the triangle with 3 sides the same.

Back

equilateral triangle

Front

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Back

scalene triangle

Front

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Back

isosceles triangle

Front

Identify the triangle with 3 sides the same.

Back

equilateral triangle

Front

Use the sides to identify the triangle

0 sides the same - scalene triangle

2 sides the same - isosceles triangle

3 sides the same - equilateral triangle

Back

isosceles triangle

Front

Use the angles to classify the triangles: all angles less than 90°

Back

acute triangle

Front

Use the angles to classify the triangles: all angles less than 90° - acute triangle, 1 angle is equal to 90° - right triangle, 1 angle is greater than 90° - obtuse triangle.

Back

right triangle