Respuesta :
From the inscribed circle, AE and AD are the radius of the circle while BE and BD are the tangents.
What is an inscribed circle?
An inscribed circle simply means the largest circle that's contained in a triangle.
An inscribed circle touches its tangent to the three sides. In this case, AE and AD are the radius of the circle while BE and BD are the tangents. Also, angle ABE and ABD are 60°.
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AB is the diameter of circle with
midpoint at C
BDA is an inscribed angle of the circle with
midpoint at C, subtended by the diameter
AB at the center
The measure of angle BDA is 90°
BEA is an inscribed angle of the circle with
midpoint at C, subtended by the diameter
AB at the center
The measure of angle BEA is 90°