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Curved surface aron of a solid hemispherical wooden block is 122 cm2 Find
its total surface area.
Can cos 30° > cos 3° ? Give reasons.
A letter from English alphabet is chosen at random. Determine the probability
that the chosen letter is a consonant.
sed to find the median of a grouped data and explain
Write the formula used to find the median of a gro
the terms in it.
Find the length of the tangent to a circle with centre 'O' and radius = 5 cm
from a point 'P' so that OP = 13 cm.
A person is flying a kite at an angle of elevation 60°. The length of the thread
is 30 m. Find the height of the flying kite from the ground.
Section-II
(6x2=12 Marks)
6.
7.
Note :
(i)
Answer All the questions.
Answers
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consonant = a e i o u
so probablity = 5 / 26
angle = 60
ac = 30m
sin60 = bc/ac
root 3 / 2 = bc / 30
bc = 15 root 3
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