2D Shapes

Which of the following is an obtuse angle?

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How many angles are acute within an acute triangle?

• Only 1

• All 3 angles

• 2 of the angles

How many equal sides are there if a triangle is equilateral?

• 2 sides are equal

• All sides are equal

• No sides are equal

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Classify this shape.

• Rhombus

• Parallelogram

• Trapezoid

• Square

Classify this triangle by BOTH its angles and sides.

• Right isosceles

• Obtuse equilateral

• Acute isosceles

• Obtuse scalene

True or False: A trapezoid can be a parallelogram.

• True

• False

True or False: A square can be a rhombus

• True

• False

Which FOUR are all considered quadrilaterals?

• parallelogram, rectangle, square, triangle

• rhombus, parallelogram, trapezoid, square

• rectangle, pentagon, rhombus, circle

• circle, square, trapezoid, rhombus

Classify this shape.

• Trapezoid

• Rectangle

• Rhombus

• Parallelogram