7.
Find the area of a rectangular plot, one side of
which is 30 m and its diagonal is 50 m.
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4
Answer:
1200cm^2
Step-by-step explanation:
given:
h (diagonal) =50
p (one side) = 30
by Pythagoras theorem,
(other side) ^2 = 2500 - 900
= 1600
other side = 40
area = l×b
= 30×40
=1200 cm^2
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