Geometry Concepts: Perimeter, Circumference, and Area
Explore the fundamental concepts of perimeter, circumference, and area in geometry through a series of problems and visuals. Understand how to calculate the perimeter of a rectangle, find the circumference of a circle, determine area in the coordinate plane, and solve for area of rectangular and irregular shapes. Engage with practical examples to enhance your geometrical understanding.
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Presentation Transcript
1-8 Perimeter, Circumference, and Area
Perimeter: The sum of the lengths of its sides Area: the number of square units it encloses
Problem 1: Finding the Perimeter of a Rectangle The botany club members are designing a rectangular garden for the courtyard of your school. They plan to place edging on the outside of the path. How much edging material will they need
You can name a circle with the symbol . For example, the circle with center A is written as A A
Problem 2: Finding Circumference What is the circumference of the circle in terms of ?? What is the circumference to the nearest tenth?
Problem 3: Finding Perimeter in the Coordinate Plane
Problem 4: Finding Area of a Rectangle You want to make a rectangular banner similar to the one shown. The banner is 21 2 ft. wide and 5 ft. high. To the nearest square yard, how much material do you need?
Problem 5: Finding Area of a Circle
Problem 6: Finding Area of an Irregular Shape
Problem 6: Finding Area of an Irregular Shape
