Question

Pls solve the 12 question

Answer 1

Hi,
Sides of park =60×80
Perimeter of park i.e. route along its edges
=2(l+b)=2(60+80)=2×140=280 meters
If she walk diagonally then she divide the park into two right angle triangle.
thus,
Acc to Pythagoras theoram,
(H)^2=B^2+P^2=80^2+60^2=10000
H^2=100^2

Her route is shorter by 280-100=180meters

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