Find the area of right triangles other triangles special quadrilaterals and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.

Sample Practice Questions (3)

A triangle is drawn on a coordinate plane with vertices at

A (1, 2)

B (7, 2)

, and

C (4, 8)

. What is the area of the triangle in square units?

18 square units

36 square units

12 square units

24 square units

What is the area of the parallelogram shown below?

20 m^{2}

40 m^{2}

48 m^{2}

60 m^{2}

A right triangle has a base of

12

cm and a height of

5

cm. What is the area of the triangle?

17 cm^{2}

30 cm^{2}

60 cm^{2}

24 cm^{2}

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