150.
In the figure, smaller circle touches larger circle
internally and passes through the centre of larger
circle. If area of smaller circle is 200c.m” the
area of larger circle is?
13
(a) 200 TO?
(c) 600 सेमी
(b) 400 सेमी
(d) 800 सेमी
Answers
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0
Answer:
Answer
Correct option is
D
800cm
2
Area of smaller circle =πr
2
=
7
22
∗r
2
=200
⟹r
2
=
11
700
orr=10
11
7
The radius of the big circle is diameter of small circle.
Area of big circle =πR
2
=
7
22
∗R
2
=
7
22
∗20
11
7
∗20
11
7
=800cm
2
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