the length of a rectangular room is 25.2 cm by 18 cm.find the hight of the room correct to 3 aignificient figure if the diognal of the room is 3w cm
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Answer:
Area=l×b
A
△A
=
l
△l
+
b
△b
=(
25.2
0.1
+
16.8
0.1
)=0.00992≈0.01
This is the relative error.
Percentage error =0.01×100=1%
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