In A ADC ADC= 90°, C= 45, AC= √8cm. Find AD.
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"For any triangle, The sum of all three angles is 180 degree. In this example, A = 90 degree and B = 30 degree. So, C= 180 - 90 -30 = 60 degree."
"AB is the opposite side for the angle C and AC is the opposite side for the angle B."
"Sin 30 = AC / BC as BC is the opposite for the angle 90 degree and it is hypotenuse."
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