Area of Composite Figures

Which of the following formulae are correct?

• Area of a Rectangle = L x W

• Area of a Square = S x S

• Area of a Circle = π x r x r

• Area of a Circle = π x 2 x r

What are true about pi (π)?

• It is equal to 3.14

• It is equal to $\frac{22}{7}$ .

• It is equal to $\frac{circumference}{diameter}$ .

• It is equal to $\frac{diameter}{circumference}$ .

What is the area of a rectangle which is 28 m long and 9 m wide?

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1) Type your answer only.

2) No need to label.

(a)  

The area of the square is 81 m2. What is the measure of the side?

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1) Type your answer only.

2) No need to label.

(a)  

A square has a perimeter of 160 in. What is its area?

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1) Type your answer only.

2) No need to label.

3) No space in between digits.

(a)  

The base of the triangle is 15 cm and the altitude is 10 cm. What is the area of the triangle?

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1) Type your answer only.

2) No need to label.

(a)  

What is the area of the composite figure above?

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2) No need to label.

(a)  

What is the area of the composite figure above?

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1) Type your answer only.

2) No need to label.

(a)  

What is the area of the composite figure above?

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1) Type your answer only.

2) No need to label.

(a)  

What is the area of the shaded region?

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1) Type your answer only.

2) No need to label.

(a)