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Vocabulary height of a trapezoid- the perpendicular distance between its bases

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Example 1 Area of a Trapezoid SHAVING Find the area of steel used to make the side of the razor blade shown below. Find the area of the side of the pool outlined below.

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Example 2 OPEN ENDED Miguel designed a deck shaped like the trapezoid shown below. Find the area of the deck. Area of a Trapezoid

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Example 2 Ramon is carpeting a room shaped like the trapezoid shown below. Find the area of the carpet needed.

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Concept 2

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Example 3A Area of a Rhombus and a Kite A. Find the area of the kite. B. Find the area of the rhombus.

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Example 3A C. Find the area of the kite. D. Find the area of the rhombus.

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Example 4 Use Area to Find Missing Measures ALGEBRA One diagonal of a rhombus is half as long as the other diagonal. If the area of the rhombus is 64 square inches, what are the lengths of the diagonals?

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Example 4 A.3 yd B.6 yd C.2.1 yd D.7 yd Trapezoid QRST has an area of 210 square yards. Find the height of QRST.

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Concept 3 Review

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