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XY is a tangent to two …

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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.

    • Posted by Tejaswita Singh 1 year, 10 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Preeti Dabral 1 year, 10 months ago

    Construct EC || 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 So DC ^ 2 = DE ^ 2 + EC ^ 2

    DC = 17

    0Thank You

    ANSWER
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