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In the figure to the right, ABCD is a rectangle. Find the area of △ABC, if the area of △AOD is 10.

In the figure to the right, ABCD is a rectangle. Find the area of △ABC, if the area-example-1
User Kandii
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1 Answer

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Assuming BOD and AOC are straight lines.

Area of the rectangle = 4 x ΔAOD
Area of the rectangle = 4 x 10
Area of the rectangle = 40 unit²

Area of ΔABC = 1/2 x 40
Area of ΔABC = 20 unit²
User Yorrd
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