Polygons Review

What are all the names for this shape?

• equilateral triangle

• scalene triangle

• isosceles triangle

• acute triangle

What are all the names for this shape?

• quadrilateral

• trapezoid

• parallelogram

• square

What are the similarities and differences between these two shapes?

• They both have 2 sets of parallel sides, but only the rectangle has four right angles.

• They both have 2 sets of parallel sides, but only parallelogram has 2 sets of congruent sides.

• They both have four sides, but only the parallelogram has 2 sets of parallel sides.

• They both have four sides, but only the rectangle has four angles.

What are the similarities and differences between these two shapes? (2 correct answers)

• They both have three sides, but only one of them has three angles.

• They both have three sides and three angles, but only one of them has a right angle.

• They are both isosceles triangles, but only one of them is a right isosceles triangle.

• They are both equilateral triangles, but only one of them is an isosceles triangle.

What is a similarity between an isosceles triangle and a scalene triangle?

• They both have four corners.

• They both have all equal sides.

• They both have no equal sides.

• They both have acute angles.

What is the difference between an isosceles and a scalene triangle?

• Isosceles has acute angles, but scalene has none.

• Isosceles cannot have obtuse angles, while scalene triangles always do.

• Isosceles has all equal sides, and scalene has no equal sides.

• Isosceles has two equal sides, and scalene has no equal sides.

Tyler says all quadrilaterals with four equal sides are rhombi (plural for rhombus). Sydney disagrees because she says only squares have four equal sides. Who is right?

• Sydney is correct

• Tyler is correct

• They are both correct

• None of them are correct

Which statement best describes how the following shape is a parallelogram?

• It is a quadrilateral with equal sides​

• It is a rectangle with no right angles​

• It is a trapezoid with 2 pairs of parallel lines.​

• It is a quadrilateral with parallel lines.​

Which statement best describes how the following shape is an isosceles triangle?​

• It is a polygon with 3 sides.​

• It is a triangle with one right angle

• It is a triangle with 2 acute angles.

• It is a triangle with at least 2 congruent sides.

Which statement best describes how the following shape is a square?

• It is a rhombus with 4 right angles.

• It is a rhombus with no acute angles.

• It is a rectangle with opposite sides congruent.

• It is a parallelogram with 4 right angles..