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Prerequisite 12.0 OBJECTIVE:  Solve for area of various quadrilaterals, triangles, and circles  Solve for perimeter of irregular figures and circles.

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Presentation on theme: "Prerequisite 12.0 OBJECTIVE:  Solve for area of various quadrilaterals, triangles, and circles  Solve for perimeter of irregular figures and circles."— Presentation transcript:

1 Prerequisite 12.0 OBJECTIVE:  Solve for area of various quadrilaterals, triangles, and circles  Solve for perimeter of irregular figures and circles  Use Pythagorean Theorem

2 Find the area of each figure (12.3 – 12.5)  Identify the shape  Write the formula to use:  Trapezoid : A = (1/2)( b 1 + b 2 )(h)  Triangle : A = (1/2)(b*h)  Rectangle : A = L * W

3 Find the perimeter of an irregular figure  Find any missing side lengths. Remember that the parts add up to the whole.  Add all the sides together

4 Find the area of each circle with the given radius or diameter (12.4,12.6,12.7)  Identify the given part of the circle  Find the radius if it is not given  Write the formula for the area of a circle:  A = (3.14) * r²  Fill in the value of r  Simplify using order of operations

5 Find the circumference of each circle given the radius or the diameter  Identify the given part of the circle  Write the formula for the circumference of a circle:  C = 2 * (3.14) * r (if radius is given)  C = (3.14) * d (if diameter is given)  Simplify using order of operations

6 Use Pythagorean Theorem


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