Maths 2: Area (compound) Flashcards by Saran Shantikumar | Brainscape

Q

Calculate the area

(Not to scale)

A

60 + 70 = 130 cm²

Calculation:

(5 x 12) + (10 x 7)

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Q

Calculate the area

(Not to scale)

A

240 + 80 = 320 cm²

Calculation:

(20 x 12) + (1/2 x 20 x 8)

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Q

Calculate the area

(Not to scale)

A

42 + 36 = 78 cm²

Calculation:

(6 x 7) + (12 x 3)

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Q

Calculate the area

(Not to scale)

A

20 + 7.5 = 27.5 cm²

Calculation:

(5 x 4) + (1/2 x 5 x 3)

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Q

Calculate the area

(Not to scale)

A

18 + 27 = 45 cm²

Calculation:

(9 x 3) + (1/2 x 9 x 6)

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Q

Calculate the area

(Not to scale)

A

10 + 10 = 20 cm²

Calculation:

(5 x 2) + (1/2 x 5 x 4)

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Q

Calculate the area

(Not to scale)

A

56 + 36 + 36 = 128 cm²

Calculation:

(8 x 7) + (1/2 x 8 x 9) + (1/2 x 8 x 9)

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Q

Calculate the area

(Not to scale)

A

150 + 225 + 75 = 450 cm²

Calculation:

(15 x 10) + (1/2 x 15 x 30) + (1/2 x 15 x 10)

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Q

Calculate the area

(Not to scale)

A

8 + 12 = 20 cm2

Calculation:

(8 x 1) + (1/2 x 8 x 3)

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Q

Calculate the area

(Not to scale)

A

80 + 20 = 100 cm²

Calculation:

(10 x 8) + (1 x 20)

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Q

Calculate the area

(Not to scale)

A

70 + 25 = 95 cm²

Calculation:

(10 x 7) + (1/2 x 10 x 5)

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Q

Calculate the area

(Not to scale)

A

120 + 60 = 180 cm²

Calculation:

(12 x 10) + (1/2 x 12 x 10)

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Q

Calculate the area

(Not to scale)

A

36 + 31.5 + 31.5 = 99 cm²

Calculation:

(9 x 4) + (1/2 x 9 x 7) + (1/2 x 9 x 7)

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Q

Calculate the area

(Not to scale)

A

40 + 20 = 60 cm²

Calculation:

(5 x 8) + (10 x 2)

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Q

Calculate the area

(Not to scale)

A

80 + 40 + 40 = 160 cm²

Calculation:

(10 x 8) + (1/2 x 10 x 8) + (1/2 x 10 x 8)

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Q

Calculate the area

(Not to scale)

A

28 + 22 = 50 cm²

Calculation:

(7 x 4) + (11 x 2)

Q

Calculate the area

(Not to scale)

A

120 + 72 + 48 = 240 cm²

Calculation:

(12 x 10) + (1/2 x 12 x 12) + (1/2 x 12 x 8)

Q

Calculate the area

(Not to scale)

A

200 + 200 = 400 cm²

Calculation:

(10 x 20) + (10 x 20)

Q

Calculate the area

(Not to scale)

A

33 + 22 + 16.5 = 71.5 cm²

Calculation:

(11 x 3) + (1/2 x 11 x 4) + (1/2 x 11 x 3)

Q

Calculate the area

(Not to scale)

A

40 + 40 = 80 cm²

Calculation:

(4 x 10) + (8 x 5)