Please explain it guys.
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IN TRIANGLE EDC,
angleB = 60(given)
angleC = 30(given)
so angle A = 90 (by angle sum property)
IN TRIANGLE EDC AND TRIANGLE ABC
ANGLE ABC= ANGLE EDC(GIVEN)
AC = CE(GIVEN)
BC = CD(GIVEN)
TRIANGLE EDC IS CONGRUENT TO TRIANGLE ABC(BY RHS)
angleB = 60(given)
angleC = 30(given)
so angle A = 90 (by angle sum property)
IN TRIANGLE EDC AND TRIANGLE ABC
ANGLE ABC= ANGLE EDC(GIVEN)
AC = CE(GIVEN)
BC = CD(GIVEN)
TRIANGLE EDC IS CONGRUENT TO TRIANGLE ABC(BY RHS)
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