# Circle E, and are diameters. Angle BCA measures 53. Circle E is shown. Line segments A C and B D are diameters. Lines are drawn [Solved] Step-by-step rationalization: Givens AC and BD are diameters.Angle BCA measures 53. Discover that line section BE is congruent to line section CE, as a result of theyre the radius of the circumference. Meaning the triangle that incorporates these sides is isosceles. , by definition of triangles isosceles. Then, , by sum of inner angles. And, , by vertical angles definition. However, we all know that the measured of a subtended arc is the same as its angle. Subsequently,

74 Step-by-step rationalization: see the connected determine to raised perceive the issue we all know that Triangle EBC is an isosceles triangle (as a result of has two equal sides EB=EC) so Discover the measure of angle BEC Do not forget that the sum of the inside angles in any triangle have to be equal to 180 levels so substitute the given values Discover the measure of angle AED we all know that -> by vertical angles so Discover the measure of arc AD we all know that > by central angle due to this fact

The reply is B on Edge 2020` Step-by-step rationalization: I did the examination

74 Step-by-step rationalization: see the connected determine to raised perceive the issue we all know that Triangle EBC is an isosceles triangle (as a result of has two equal sides EB=EC) so Discover the measure of angle BEC Do not forget that the sum of the inside angles in any triangle have to be equal to 180 levels so substitute the given values Discover the measure of angle AED we all know that -> by vertical angles so Discover the measure of arc AD we all know that > by central angle due to this fact

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