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Diameter

24. A circle ...

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24. A circle centered at P woth radius 4 cm and another circle centered at Q with radius 16 cm touch each otger externally. A third circle woth centre R is drawn to touch the first two circle and one of their common tangent. Then the radius of the cirle R is

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Similar questions

Q. A circle centered at

P

4 c m

another circle centered at

Q

16 c m

touch each other externally. A third circle with centre

R

is drawn to touch the first two circles and one of thier common tangents as shown in the figure. Then, the radius of the circle with centre

R

C_{1}

b

touches the circle

x^{2} + y^{2} = a^{2}

externally and has its centre on the positive xaxis; another circle

C_{2}

c

touches the circle

C_{1}

externally and has its centre on the positive x-axis. Given

a < b < c

, then the three circles have a common tangent if

a, b, c

C

be the circle with centre at

(1, 1)

= 1

T

is the circle centered at

(0, y)

, passing through origin and touching the circle

C

externally, then the radius of

T

Q. Question 5
Draw a line segment AB of length 8 cm. Taking A as center, draw a circle of radius 4 cm and taking B as center, draw another circle of radius 3 cm. Construct tangents to each circle from the center of the other circle.

Q. Draw a line segment AB of length 8 cm. Taking A as center, draw a circle of radius 4 cm and taking B as center, draw another circle of radius 3 cm. Construct tangents to each circle from the center of the other circle.

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