Areas of Composite Shapes

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Presentation transcript:

Areas of Composite Shapes © T Madas

Composites of squares and rectangles © T Madas

Find this area A2 A1 A1= 5 x 2 = 10 cm2 2 cm A2= 2 x 3 = 6 cm2 Total Area = 16 cm2 3 cm A2 5 cm 3 cm A1 2 cm 5 cm © T Madas

56 m2 – Find the area of these composite shapes 54 m2 + 8 x 8 = 64 8 7 3 6 54 m2 3 x 7 = 21 + 3 x 11 = 33 3 11 Lengths in metres (m) 4 4 8 x 8 = 64 8 64 8 56 m2 – 8 © T Madas

Composites of Quadrilaterals & Triangles © T Madas

A1= 8 x 4 = 32 cm2 A2= 8 x 5 ÷ 2 = 20 cm2 A2 Total Area = 52 cm2 A1 Calculate the area of the following composite shape A1= 8 x 4 = 32 cm2 A2= 8 x 5 ÷ 2 = 20 cm2 A2 5 cm Total Area = 52 cm2 A1 4 cm 8 cm © T Madas

A1= 8 x 6 = 48 m2 A1 A2= 8 x 4 = 32 m2 Total Area = 80 m2 A2 Calculate the area of the following composite shape A1= 8 x 6 = 48 m2 A1 6 m A2= 8 x 4 = 32 m2 Total Area = 80 m2 A2 4 m 8 m © T Madas

A1= 10 x 5 = 50 m2 A2= 3 x 4 ÷ 2 = 6 m2 Total Area = 56 m2 A1 A2 Calculate the area of the following composite shape 5 m A1= 10 x 5 = 50 m2 A2= 3 x 4 ÷ 2 = 6 m2 7 m Total Area = 56 m2 10 m A1 3 m A2 9 m 4 m © T Madas

[ ] x 3 A1= 5 x 7 = 35 m2 A1 A2= 9 + 5 ÷ 2 = 21 m2 Total Area = 56 m2 Calculate the area of the following composite shape 5 m A1= 5 x 7 = 35 m2 [ ] x 3 A1 A2= 9 + 5 ÷ 2 = 21 m2 7 m 10 m 5 m Total Area = 56 m2 A2 3 m 9 m © T Madas

[ ] x 4 A1 A2 A1= 7 x 6 ÷ 2 = 21 m2 A2= 9 + 7 ÷ 2 = 32 m2 Total Area = Calculate the area of the following composite shape 6 m A1 2 m A2 4 m 7 m A1= 7 x 6 ÷ 2 = 21 m2 [ ] x 4 A2= 9 + 7 ÷ 2 = 32 m2 Total Area = 53 m2 © T Madas

A1= 15 x 8 = 120 cm2 A2= 15 x 12 ÷ 2 = 90 cm2 A2 Total Area = 210 cm2 Calculate the area of the following composite shape A1= 15 x 8 = 120 cm2 A2= 15 x 12 ÷ 2 = 90 cm2 12 cm A2 Total Area = 210 cm2 A1 8 cm 15 cm © T Madas

The Area of a Kite © T Madas

Calculate the area of the following Kite 6 cm 9 cm © T Madas

Calculate the area of the following Kite 6 cm A = 9 x 3 ÷ 2 = 13.5 cm2 3 cm 9 cm Total Area = 27 cm2 is there another way to calculate the area of a kite? © T Madas

Calculate the area of the following Kite 6 cm A = 6 x 9 ÷ 2 = 27 cm2 9 cm is there another way to calculate the area of a kite? © T Madas

© T Madas