Question 9 (iv)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The circumference of the flower bed.

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Solution

The radius of the circular flower bed = 2 m
The circumference of the flower bed = $2 π r$
$= 2 \times 3.14 \times 2 = 12.56 m$

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Question 9 (iii)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The area of a lawn excluding the area of the flower bed.

The adjoining figure represents a rectangular lawn with a circular flowerbed in the middle. Find:

(i) the area of the whole land

(ii)the area of the flower bed

(iii) the area of the lawn excluding the area of the flower bed

(iv)the circumference of the flower bed.

Question 9 (ii)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The area of the flower bed.

Question 9 (iii)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The area of a lawn excluding the area of the flower bed.

Question 9 (i)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The area of the whole land.

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Question 9 (iv) The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find: The circumference of the flower bed.

The radius of the circular flower bed = 2 m The circumference of the flower bed = 2πr = 2×3.14×2 = 12.56 m

Question 9 (iv)

The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find:

The circumference of the flower bed.

The radius of the circular flower bed = 2 m
The circumference of the flower bed = $2 π r$
$= 2 \times 3.14 \times 2 = 12.56 m$