PLEASE COPY PASTE MAT KARNA. XY is a tangent to two circles of radii 12cm and 4 cm respectively.If the circles touch each other Find the area of the region bounded by the circles and tangents. Please don't scam. Answer only if you know. THE CIRCLES TOUCH EACH OTHER.
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Construct EC II AB
AB = 15 cm = EC
AD = 12 cm
CB = 4 cm
DE = 12 - 4 = 8
Tangent is perpendicular to radius
ABCE is rectangle and DEC is a right angled triangle
SoDC^ ^ 2=DE^ ^ 2+EC^ ^ 2 DC = 17
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