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5*. In fig 3.28 the circles with centresA and B touch each other at E. Line /is a common tangent which touchesthe circles at C and D respectively,Find the length of seg CD if the radiiof the circles are 4 cm, 6 cm. |
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Answer» 4√6 Step-by-step explanation: Radii 4 cm and 6 cm. AB =6+4=10 cm ∠Y=90deg then , BF=6−4=2cm In △BYA AY2 =AB2-BY2 =10 ^2 -2^2 AY= √100−4 AY= √96 AY=4 √6 AY∣∣CD Hence, CD=4 √6 hope it will help you |
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