Area & Perimeter
SHAPE OVERVIEW Rectangle Triangle Hexagon Circle Parallelogram Trapezoid Parallelogram Square Pentagon
Perimeter 2 4 To calculate the perimeter of an object or space, you will need to add up all of the outside measurements. 2 + 4 + 2 + 4 = ________
Tricky Perimeters (Look carefully.) 3 You will need to remember which sides to add and the values for each side. 2 2 2 2 2 2 2
AREA You will use different formulas for each type of shape when finding area Each answer will require you to use the measurement given, and it will always be squared…ex.) 9 ft.2
The area formula for a rectangle is length x width Area of a Rectangle L W A = L x W The area formula for a rectangle is length x width
Find the area of these rectangles. 1 6 2 2 3 5 4 3
Find the area of these squares. 25 5 12 16 8
AREA OF A PARALLELOGRAM H B A = B x H (base x height)
Find the area of these parallelograms. 2 4 3.5 7 14 19
Finding the area of a triangle is different. B Finding the area of a triangle is different. A = ½ (B x H)
Find the area of these triangles. 3 4 7 8 2 5 3 6
AREA OF A TRAPEZOID A = ½ H (b1 + b2) ½ Height (base 1 + base 2) B1 H
Find the area of the trapezoids. 23 12 14 31 16 9