Question

AB is the diameter of the circle. Find

Answer 1

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1.) Angle c will be 90° as angle from diameter to arc of circle is always 90° this is a theorem.

2.) Angle abc will be 45° by angle sum property and AC =BC as angles are equal

In Triangle ABC

H²=B²+P²

H²=10²+10²

H²= 100+100

H=√200

H=10√2