Decompose area with triangles KA6

Find the areas of each part of the figure and the whole figure.

a

b

c

45

50

7.5

30

8.5

18

22.5

15

Find the area of each part of the figure and the whole figure.

a

b

c

20

10

15.5

35

55

17.5

27.5

37.5

Find the area of each part of the figure and the whole figure.

a

b

c

48

13.5

21

12.5

10.5

24

63

27

Find the area of each part of the figure and the whole figure.

a

b

c

48

45

84

30

18

54

99

Find the area of each part of the figure and the whole figure.

a

b

c

21

51

35

70

100

30

65

Find the area of each part of the figure and the whole figure.

a

b

c

55

32.5

65

50

10

22.5

45

117

Find the area of each part of the figure and the whole figure.

a

b

c

12

20

6

8

58

24

32

4

Find the area of each part of the figure and the whole figure.

a

b

c

54

48

24

18

9

27

15

Find the area of each part of the figure and the whole figure.

a

c

e

98

49

63

17.5

31.5

35

Find the area of each part of the figure and the whole figure.

a

c

e

15

55

60

80

40

10

30