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Subjects
Mathematics State Board
Class 9
Mensuration
Heron's formula
13.
Calculate the area of the trapezium
Exercise condition:
4
m.
The sides of the trapezium are
AB \ =
12
m
,
BC \ =
20
m
,
CD \ =
34
m
and
AD \ =
18
m
. Find the area of the trapezium.
(Use
\sqrt{2} = 1.41
)
Area of the trapezium
=
m^2
[
Note
: Round off your answer to two decimal places]
1
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