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Circles with centres A,B,C and radius 5 ...

Circles with centres A,B,C and radius 5 cm each, touch each other externally in the points D,E, and F as shown in the figure.
(i) What is the perimeter of `Delta ABC `?
(ii) What is the length of side of side DE and `Delta DEF `?

Text Solution

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(i) Perimeter = 30 cm , (ii) DE = 5cm \
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