Area of Parallelogram, Rectangle, Trapezoid, Triangle

In a trapezoid, the bases are always_________.

• congruent

• parallel

• perpendicular

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

• 5 m

• 10 m

• 32 m

• 160 m

A ____________ can be decomposed into two congruent trapezoids.

• rectangle

• parallelogram

• triangle

• square

A ____________ can be decomposed into two congruent triangles.

• rectangle

• parallelogram

• triangle

Which is the correct area formula for Triangles?

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A triangle has a base of 10.2 inches and a height of 11.5 inches. What is its area?

• 117.3 in²

• 58.65 in²

• 78.5 in²

• 44.2 in²

A trapezoid has one base of 12 feet, the other base of 8 feet and a height of 9 feet. What is its area?

• 90 ft²

• 864 ft²

• 108 ft²

• 72 ft ²

A trapezoid has two bases. One is 16 inches, the other is 2 inches. The height of the trapezoid is 11 inches. What is its area?

• 176 in²

• 49.5 in²

• 99 in²

• 198 in²

A trapezoid has a total area of 300 square kilometers. Its two bases are 30 km and 20 km. What is its height?

• 25 km

• 7 km

• 15 km

• 12 km

Find the area of this composite shape.

• 60 ft²

• 108 ft²

• 168 ft²

• 154 ft²