Area & Perimeter on the Coordinate Plane

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Presentation transcript:

Area & Perimeter on the Coordinate Plane Learning Target: Students can use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e.g., using the distance formula.

Distance AROUND the shape Perimeter Distance AROUND the shape

Amount of space INSIDE the boundary Area Amount of space INSIDE the boundary

Area Formulas Triangle: A = ½ bh Rectangle: A = bh Parallelogram: A = bh Trapezoid: A = ½ (b1 + b2)h

Find the area. Q9 of 12

Find the perimeter. (Use Pythagorean Theorem)

Find the perimeter. Q11 of 12

Find the area. Q12 of 12

Classwork / Homework Worksheet