Report

Remember: The perimeter of a shape is a measure of distance around the outside. Units of distance mm AREA 1 cm 1 cm 1 cm 1 cm2 Area is measured in units2 6 cm cm The area of a shape is a measure of the surface/space contained within its perimeter. Units of area mm2 cm2 m m2 km km2 inches 3 cm 18 cm2 inches2 feet feet2 yards yards2 miles miles2 Area = 6 cm x 3 cm = 18 cm2 Rectangle 1 2 3 Length Width Area 10 cm Area = length x width 6 cm = 10 cm x 6 cm = 60 cm squares 7 mm Area = length x width 2 mm = 7mm x 2mm = 14 mm squares 3m 18 m2 28 m2 7 m 6m 4m 5m 3m 15 m2 4m 2m 8 m2 Page 149 Square Length Width Area 3 1 3 mm 5m 4 2 7 mm Area = S x S = = 7 x 7= 49 mm2 10 cm Area = S x S = = 10 x 10 = 100 cm2 8m 4m 16 m2 64 m2 9m 81 m2 6m 36 m2 Page 149 Area of rectangle = 60 cm2 , length = 10 cm Find width .. Area of rectangle = 45 cm2 , width = 5 cm Find length. Area of square = 25cm2 , Find side length Area of square = 81cm2 , Find side length Complete your worksheet Warm up Find the Area 5m 25 m 2 9m 81 m 2 2m 12 m2 6m 28 m2 7m 4m Area of a Triangle The area of a triangle = ½ the area of the surrounding rectangle/parallelogram width heigh length base Area of a triangle = ½ base x height Find the area of the following triangles. 9 cm 16 cm 8 cm 14 cm 4m 2m 21cm2 20 cm2 4m 15 mm 2 6 m2 3m On your note book Page 155 Area of a Parallelogram height Area = base x height base height Area = base x height base The area of a parallelogram = the area of a rectangle on the same base. Find the area of each parallelogram below. 1 2 12 cm 5 mm 8mm 8 cm 3 5m 78 cm2 63 cm2 9 mm 36 mm2 4 mm 10cm 50 cm2 5 cm