solve que no 30 27. Draw a histogram to represent the following frequency distribution:
Class Interval
Frequency
10-15
6
15-20
10
20-30
10
30-50
8
50-80
18
80-100
28. The curv•ed surface area and the volume
of a pillar are 264 m2 and 396 m2. Find
the diameter and height of the pillar.
29. If two circles intersect in two points,
30. Amit pledges to donate triangular land,
area of which equals the area of a
rectangular land required for village
school. Also, the area of the rectangular
land equals that of a square land used
for farming by him. Then, state the
Euclid's axiom that best illustrates the
relation of three shapes of land. Which
values are exhibited here?
96
Prove that the line through their
centres is the perpendicular bisector of
the common chord.
Mathematics - IX
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