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Radii of Two Circles Are 6. 3 Cm and 3.6 Cm. State the Distance Between Their Centres If : They Touch Each Other Externally - Mathematics

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Question

Radii of two circles are 6. 3 cm and 3.6 cm. State the distance between their centres if:

they touch each other externally

Solution

Radius of bigger circle = 6.3 cm
and of smaller circle = 3.6 cm 

Two circles are touching each other at P externally. O and O ' are the centers of the circles. Join
OP and O'P
OP = 6.3 cm, O'P = 3.6 cm
Adding,
OP + O'P = 6.3 + 3.6 = 9.9 cm

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APPEARS IN

 Selina Solution for Concise Mathematics for Class 10 ICSE (2020 (Latest))
Chapter 18: Tangents and Intersecting Chords
Exercise 18 (A) | Q: 11.1 | Page no. 275
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Radii of Two Circles Are 6. 3 Cm and 3.6 Cm. State the Distance Between Their Centres If : They Touch Each Other Externally Concept: Tangent Properties - If Two Circles Touch, the Point of Contact Lies on the Straight Line Joining Their Centers.
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