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Learn how to calculate the perimeter of rectangles, squares, parallelograms, and triangles, as well as the circumference of circles. Practice problems included.
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0-7 Perimeter
Perimeter (measured in linear units) The distance around a figure (The sum of all the side lengths) P(Rectangle)= or P(Parallelogram)= or P(Square)= P(Triangle)=
Example 1 pg. P23 Perimeters of Rectangles and Squares Find the perimeter of each figure. 1.) A rectangle with a width of 3 ft. and a length of 13 ft. 13 ft. 3 ft. 2.) A square with a side length of 11 millimeters. 11 mm
Example 1 pg. P23 Perimeters of Rectangles and Squares Find the perimeter of each figure. 1.) A rectangle with a width of 3 ft. and a length of 13 ft. 32 feet 13 ft. 3 ft. 2.) A square with a side length of 11 millimeters. 44 millimeters 11 mm
Example 2 pg. P24 Perimeters of Parallelograms and Triangles Find the perimeter of each figure. 1.) 2.)
Example 2 pg. P24 Perimeters of Parallelograms and Triangles Find the perimeter of each figure. 1.) 2.) 26 inches 28 centimeters
Circle A set of points in a plane that are equidistant from a given point. Center- the given point Radius- the distance from the center to any point on the circle. Diameter- the distance across the circle through the center Circumference- the distance around the circle or
Example 3 pg. P24 Circumference Find the circumference of each circle to the nearest tenth. 1.) The radius is 9 inches. 2.) The diameter is 12 millimeters 3.)
Example 3 pg. P24 Circumference Find the circumference of each circle to the nearest tenth. 1.) The radius is 9 inches. inches 2.) The diameter is 12 millimeters millimeters 3.) centimeters