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Byju's Answer
Standard VIII
Mathematics
Area of Trapezium by Division into Shapes of Known Area
A trapezium w...
Question
A trapezium with parallel sides of length 5 cm and 7 cm has area 96 sq. cm. Its height is
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Solution
Let
a
and
b
the
length
of
parallel
sides
of
trapezium
and
h
be
the
distance
between
parallel
sides
.
Now
,
a
=
5
cm
;
b
=
7
cm
Area
of
trapezium
=
96
cm
2
⇒
1
2
a
+
b
h
=
96
⇒
5
+
7
h
=
192
⇒
12
h
=
192
⇒
h
=
192
12
=
16
cm
So
,
height
of
trapezium
=
16
cm
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