Question

find CD if AB=16CM, BC=12CM and CA=6CM..

Answer 1

let CD = x
AD = y
<ADC

x²+ y² = 6² = 36

from <ADB

(12 + x )² + y² = 16² = 256

= 144 + x² + 24x + y² = 256

= 144 + 24x + 36 = 256

= 24x = 256 - 180

= x = 76/24

x = 3.17 cm

Hope you understand

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Answer 2

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