Question

5th time asking this question i dont know what you people are doing but i have yet to get an answer from anyone so please just answer this (no blank answers) ive wasted over 400 points trying to get an answer

Answer 1

3.since two base side are equal

4.sum of interior angle of the triangle is 180

9.base angle of isosceles triangle

16.the inscribed angle from the diameter is 90°

21.being CAE=90°