Question

10. Lisa takes a shortcut from one corner of the rectangular field
of dimensions 168 m by 26 m to the opposite corner. What
distance does she travel?​

Answer 1

Step-by-step explanation:

ABCD is a rectangular field of Length = 40m, Breadth = 30m, ∠B=90o

In the right angled triangle ABC,

By Pythagoras Theorem,

AC2=AB2+BC2

=302+402=900+1600

=2500

∴AC=2500=50m

Distance from A to C through B is

=30+40=70m

Distance saved =70−50=20m.

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