Polygons

Mark the TRUE statements.

• It's a regular polygon.

• It's an octagon.

• It's a hexagon.

• It's a convex polygon.

• It's a parallelogram.

Choose the right endings to make the statement TRUE. A quadrilateral with two pairs of parallel sides can be ...

• a kite.

• a trapezium.

• a square.

• a rhombus.

• a rectangle.

Which ones are always regular polygons?

• isosceles triangle

• rectangle

• square

• arrowhead

• equilateral triangle

Tags

CCSS.2.G.A.1

Which one is the FALSE statement?

• Arrowhead is a concave kite.

• Polygons with 7 sides are called heptagons / septagons.

• Rhombus is a quadrilateral with sides of equal length.

• Convex polygons cannot have right angles.

• The sum of the interior angles in a quadrilateral is 360 degrees.

How many diagonals are there in a pentagon?

• 9

• 7

• 5

• 4

• 3

What is the formula that gives the sum of the interior angles in an n-sided polygon?

• n minus two divided by one hundred and eighty degrees

• n minus three multiplied by a hundred and eighty degrees

• n minus two multiplied by a hundred and eighteen degrees

• n minus two multiplied by a hundred and eighty degrees

• n plus two multiplied by a hundred and eighty degrees

Which polygons have an even number of edges?

• hexagon

• triangle

• decagon

• pentagon

• quadrilateral

Which polygons have 2 or more than 2 lines of symmetry?

• arrowhead

• regular hexagon

• rectangle

• equilateral triangle

• rhombus

What is the number of sides of the polygon if the number of its diagonals is 20?

• 5

• 6

• 7

• 8

• 9

Find the FALSE statement.

• All parallelograms are trapeziums too.

• All rectangles are parallelograms.

• Rhombuses are also parallelograms.

• All rectangles are rhombuses too.

• All rhombuses are kites.