Area of Plane Shapes.

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Presentation transcript:

Area of Plane Shapes

Area and Perimeter of Shapes Dydd Llun 1 Ebrill 2019 Area and Perimeter of Shapes LO: I know how to find the perimeter and area of 2d shapes I can find the area of a square, rectangle, and triangle using a formula

Area of a rectangle PERIMETER = distance around the shape AREA = length x width 8cm 4cm

Area of a rectangle Work out the perimeter and area of the following: 9cm 8cm 4cm 7cm 8cm 5cm 7cm 18cm 6cm 8cm 12cm 6cm

Area of a rectangle Missing length = area ÷ length 8cm A = 40cm2

Area of a rectangle Work out the missing lengths: 10cm 8cm A = 40cm2

Area of a triangle AREA = base x vertical height 2 5cm 9cm

Area of a triangle

Area of a parallelogram AREA = base x perpendicular height 6m 8m

Area of a parallelogram AREA = base x perpendicular height

Area Nod y Wers: Am I able to calculate the area of compound shapes? Level: 6 Starter: recap

Area of Plane Shapes Compound shapes – split the shape into other shapes with lengths that you are given / can work out. 22cm 8cm 10cm

Area of Plane Shapes

Area of Plane Shapes 9cm 9cm 5cm 10cm 26cm

Circle CIRCUMFERENCE = 2 πr or πd AREA = πr2 (where r is the radius) 5cm

Circles Work out the area and circumference of the following: 2cm 10cm

Circles Work out the area and circumference of the following: 5cm 10cm

Area of Plane Shapes

Area of a parallelogram AREA = base x perpendicular height 6m 8m

Area of a parallelogram AREA = base x perpendicular height

Area of Plane Shapes

Area of a kite AREA = length x width 2 10m 6m

Area of a trapezium AREA = sum of parallel sides x height 2 8m 5m 10m

Area of a trapezium AREA = sum of parallel sides x height 2

Area of Plane Shapes

Area of Plane Shapes

Area of Plane Shapes 16m 3m 10m 8m

Area of Plane Shapes 16m 3m 10m 6m 8m 20m

Area of Plane Shapes If turf costs £10 per m2, how much would it cost to re-turf the garden?