Find the Area of Polygons by Decomposing into Triangles, Rectangles, Parallelograms, and Trapezoids

Which is the correct area formula for Trapeziums?

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Which is the correct area formula for Triangles?

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Which is the correct area formula for Parallelograms?

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In a trapezium, the bases are always_________.

• congruent

• parallel

• perpendicular

What is the area of this rectangle?

• 29 in²

• 58 in²

• 180 in²

What is the area of this parallelogram?

• 38 m²

• 56 m²

• 77 m²

• 88 m²

What is the area of this triangle?

• 14 units²

• 24 units²

• 48 units²

What is the value of the base (b) of this triangle?

• 5 m

• 10 m

• 32 m

• 160 m

What is the area of this trapezium?

• 48 m²

• 68 m²

• 88 m²

• 136 m²

A ____________ can be decomposed into two congruent trapeziums.

• rectangle

• parallelogram

• triangle

• square