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Perimeter and Area. Objectives Calculate the area of given geometric figures. Calculate the perimeter of given geometric figures. Use the Pythagorean.

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Presentation on theme: "Perimeter and Area. Objectives Calculate the area of given geometric figures. Calculate the perimeter of given geometric figures. Use the Pythagorean."— Presentation transcript:

1 Perimeter and Area

2 Objectives Calculate the area of given geometric figures. Calculate the perimeter of given geometric figures. Use the Pythagorean theorem to find the lengths of a side of a right triangle. Solve word problems involving perimeter, area, and/or right triangles.

3 Vocabulary polygon perimeter area trapezoid parallelogram triangle rectangle circle circumference radius diameter legs (of a right triangle) hypotenuse

4 Area Formulas Triangle Rectangle and Parallelogram Trapezoid Heron’s Formula for Area of Triangle

5 Circle Formulas Circumference (Perimeter) Area

6 Pythagorean Theorem For right triangles a b c

7 Find the perimeter and area of the figure below

8 Find the area of the figure below

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13 Find the length of the third side of the triangle below

14 Find the perimeter and area of the circle below

15 Find the perimeter and area of the semicircle below

16 Walk 100 yards south, then 120 west and then 30 yards south. How far from the original starting point are you?


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