in triangle ABC AD is an angle
bisector. IT AB = 18cm AC=24cm
& BD = 12 cm then find CD.
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Answer:
CD=19.8
Step-by-step explanation:
let CD be x
AD²= AB²-BD²
AD²=18²-12²
AD²=180
AD=13.4
CD²=AC²-AD²
CD²=24²-13.5²
CD²=393.75
CD=19.8
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