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Mensuration Practice Test 7
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© examsnet.com
Question : 17
Total: 40
The area of a trapezium is 384
c
m
2
. If its parallel sides are in the ratio 3 : 5 and the perpendicular distance between them is 12 cm, the smaller of the parallel sides is:
20 cm
24 cm
30 cm
36 cm
Validate
Solution:
Let parallel sides of trapezium be 3x and 5x
Area of trapezium =
1
2
×
h
(
a
+
b
)
384 =
1
2
×
12
(
3
x
+
5
x
)
x = 8
So, smaller parallel side = 3 × 8 = 24 cm
© examsnet.com
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