Question

9. Two circles with centres at C1 and C2 intersect at A and B. If the radius of the circle with centre C1
is 13 cm, the length of the common chord of two circles is 10 cm and the distance between their
centres is 18 cm, find the radius of the circle with centre C2​

Answer 1

Answer:

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They are also the source of rubber, gum and some medicinal products. Forests constitute the natural habitat for a large number of animals. In nature also, forests help in keeping the climate of an area cool, they absorb rain water and helps in prevention of floods.

Step-by-step explanation:

Jai mahakal.......,✌✌✌️

Answer 2

If two circles are orthogonal to each other , then

r

1

2

+r

2

2

=(c

1

c

2

)

2

Given r

1

=r

2

=r and c

1

=(−2,−3) and c

2

=(−5,−6)

So, 2r

2

=(3

2

)

2

r

2

=9

r=3