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fighton55 fighton55
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11 years ago
Let ABC be a triangle with AB = AC. D is a point on AC such that BC = BD. E is a point on AB such that BE = ED = AD. Find the size of the angle EAD.
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wrote...
11 years ago
Here
AB = AC   ............................  [1]
BC = BD   ............................  [2]
BE = ED = AD  .....................  [3]
From the figure of the triangle and from equations [1], [2], and [3], we get :
Angle EAD is an ACUTE angle.
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