Classifying 2D Shapes

What kind of triangle is this? Name it for its angles.

• acute

• obtuse

• right

Name this triangle for its sides and angles.

• obtuse

• acute

• scalene

• equilateral

• isoceles

Name these triangles for their angles.

• acute

• right

• obtuse

Name this triangle for its sides and angles.

• acute

• right

• isosceles

• scalene

Name this for its angles and sides.

• obtuse

• actue

• isosceles

• scalene

Name this triangle for its angles and sides.

• obtuse

• acute

• isosceles

• scalene

Name this triangle for its angles and sides.

• right

• acute

• equilateral

• isosceles

A trapezoid is a quadrilateral with exactly ONE set of parallel sides. 

• TRUE
• FALSE

If a quadrilateral has 4 equal sides, then it is a square. 

• TRUE
• FALSE

A __________________ is always a rhombus, but a rhombus is not always a _______________. 

• kite
• parallelogram
• square
• rectangle