In a triangle ABC, the lengths ofthe sides AB and AC equal to 17.5 cm an 9 cm respecively. Let D bea...
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In a triangle ABC, the lengths ofthe sides AB and AC equal to 17.5 cm an 9 cm respecively. Let D bea poin on the line segment BC such that AD is perpendicul to BC. If AD = 3 cm, the
