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Published byClarence Harris Modified over 8 years ago

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Perimeter and Area o Perimeter is the distance around the outside of a flat object. o Area is the amount of surface space that a flat object has.

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Click on Each Shape to Learn How to Find Its Perimeter and Area Circle Triangle Rectangle Square Trapezoid Parallelogram Click to go to Quiz

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Circumference of a Circle r Click to go to the Area

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Area of a Circle Click to go to Menu

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Perimeter of a Rectangle o To find the perimeter double the length and double the width and add them together. o Formula: P = 2L + 2W

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Area of a Rectangle o To find the area multiple the length by the width. o Formula: A = L x W

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Perimeter of a Square o To find the perimeter multiple the side length by 4. o Formula: P = 4s s Click to go to the Area

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Area of a Square s Click to go to Menu

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Perimeter of a Triangle o To find the perimeter add up all the lengths of the sides. o Formula: P = a + b + c ab c Click to go to the Area

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Area of a Triangle o To find the area multiple the base times the height times ½. o Formula: A = ½ b x h Click to go to Menu

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Perimeter of a Trapezoid o To find the perimeter add up all for sides of the trapezoid. o Formula: P = a + b + c + d a d b c Click to go to the Area

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Area of a Trapezoid Click to go to Menu

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Perimeter of a Parallelogram o To find the perimeter twice the length plus twice the width. o P = 2L + 2W L W Click to go to the Area

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Area of a Parallelogram o To find the area multiple the base times the height. o Formula: A = b x h Click to go to Menu

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Quiz What is the area of the Trapezoid? 15 10 12 A.135135 B.150150 C.165165

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Nice Try! Back to Quiz

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Good Job! Click to Continue

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Congratulations!! You just complete our lesson on area and perimeter. Click on the finish line to restart for the next student

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