Question

A rectangular plot is 80 m long and 35 m wide. A pond is constructed in the
form of a circle with radius 14m. Find
i) the area of the whole land.
ii) the area of the pond.
iii) the area of the plot excluding the area of the pond.
iv) the circumference of the pond.

Answer 1

Answer:

(i) 2800 sq. m.

(ii) 661 sq. m.

(iii) 2194 sq. m.

(iv) 88 m.

Step-by-step explanation:

(i) Area of whole land = Area of the rectangle

= length × breadth = 80 m × 35 m

= 2800 sq. m.

(ii) Area of pond = Area of circle

= π×r×r =

$\frac{22}{7} \times 14 \times 14 \\ = 22 \times 2 \times 14 \\ = 616 \: {m}^{2}$

(iii) Area of plot without pond = Area of plot - Area of pond

= 2800 - 616 = 2184 sq. m.

(iv) Circumference of pond = Circumference of circle

= 2πr

=

$2 \times \frac{22}{7} \times 14 \\ = 2 \times 22 \times 2 \\ = 88 \: {m}$

HOPE THIS HELPS!

Answer 2

Answer:

i) 2800 sqm.

ii) 616 sqm.

iii) 2184 sqm.

iv) 88 sqm.

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