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Standard IX
Mathematics
Question
Using Heron's formula find the area of a quadrilateral whose sides are
3
c
m
,
4
c
m
,
4
c
m
, and
5
c
m
. The angle between the first two sides is
90
0
.
14
c
m
2
16
c
m
2
18
c
m
2
(
6
+
6
√
7
)
c
m
2
A
16
c
m
2
B
14
c
m
2
C
18
c
m
2
D
(
6
+
6
√
7
)
c
m
2
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Solution
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Find the area of a quadrilateral whose sides are
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