Area of Triangles, Quadrilaterals, and Polygons

Which of the following shapes is a quadrilateral?

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Polygons with three sides are called ________.

Select all of the statements below that are true when describing a polygon.

• A polygon is a closed figure.

• A polygon can have 1 or more sides that are curved.

• The sides of a polygon do not cross.

• A polygon has 3 or more sides.

If a triangle has a base of 10 cm and a height of 6 cm, what is its area?

A triangle's base is 14 cm and its height is 8 cm. What is the area of this triangle?

Find the area of the figure

• 35 un²

• 70 un²

• 30 un²

• 168 un²

Which of the named polygons are quadrilaterals?

• square

• rhombus

• trapezoid

• pentagon

Here are two triangles and a quadrilateral. If you side them together, what new polygon would you create?

• pentagon

• rectangle

• hexagon

• octagon

Which two polygons were created when this polygon was subdivided?

• triangle

• pentagon

• hexagon

• quadrilateral

Which correctly lists the polygons that are created when this heptagon is subdivided?

• triangle, pentagon, quadrilateral

• pentagon, hexagon, triangle

• triangle, triangle, quadrilateral

• quadrilateral, quadrilateral, triangle