math Olympiad question ch perimeter of area class 4
Full explanation, worked examples & memory tricks in the app
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Full explanation, worked examples & memory tricks in the app
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A circular pond has a radius of 3 m. Calculate its area and perimeter.
Area is 28.27 m² and perimeter is 18.85 m.
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A garden is in the shape of a rectangle measuring 10 m by 5 m. Calculate the perimeter and area of the garden.
Perimeter is 30 m and area is 50 m².
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If a triangle has a base of 6 cm and a height of 4 cm, what is its area?
The area is 12 cm².
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Explain how to find the perimeter of a circle.
The perimeter (circumference) of a circle is given by $C = 2\pi r$.
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Calculate the perimeter of a rectangle with length 5 cm and width 3 cm.
The perimeter is 16 cm.
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A square has a side length of 4 cm. What is its area?
The area is 16 cm².
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Define perimeter.
The perimeter is the total distance around a shape.
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Define area.
The area is the amount of space inside a shape.
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What is the formula for the perimeter of a rectangle?
The perimeter of a rectangle is given by $P = 2(l + w)$.
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What is the formula for the area of a square?
The area of a square is given by $A = s^2$.
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How do you calculate the area of a triangle?
The area of a triangle is given by $A = \frac{1}{2} \times base \times height$.
The full exam-length answer is in the app.
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