Geometry Areas of Trapezoids, Rhombuses and Kites.

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Geometry Areas of Trapezoids, Rhombuses and Kites

description

February 14, 2016 Area The measure of part of a plane surface. Measured in square units. 10 square inches can be written 10 in 2.

Transcript of Geometry Areas of Trapezoids, Rhombuses and Kites.

Page 1: Geometry Areas of Trapezoids, Rhombuses and Kites.

Geometry

Areas of Trapezoids, Rhombuses and Kites

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Goals: Find the area of rhombuses, kites,

and trapezoids. Solve problems by combining

areas.

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Area The measure of part of a plane

surface. Measured in square units. 10 square inches can be written 10

in2.

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Area of a Trapezoidb1

b2

h1 2

1 ( )2A h b b

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Area of a Rhombus

d1

d2 1 212A d d

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Area of a Kite

d1

d21 2

12A d d

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Kites and Rhombuses In each of these, the diagonals are

perpendicular. They have the same area formula.

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Area of a quadrilateral with perpendicular diagonals.

1 212A d d