ole PORS + areas \
doing this, the area
which is to be subtracted.
Now, PO) 5 m and PS 45 m
EH - 5 m and EF 70 m
KL - 5 m and KN -S m
Area of the path Area of the rectangle PORS
the rectangle EFGH - Area of the square KLM
= PS - PO + EPEH KLARA
- (45 x 5+70 × 5-5x5) mi
= (225 + 350 – 25) m = 550 m
Cost of constructing the path = Rs 105 x 550 = Rs 57.750
EXERCISE 11.4
built outside and
1. A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outs
around it. Find the area of the path. Also find the area of the garden in hecta
2. A 3 m wide path runs outside and around a rectangular park of length 125 m
breadth 65 m. Find the area of the path.
3. A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a
margin of 1.5 cm along each of its sides. Find the total area of the margin.
mand
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