How to solve the math multiple-choice question 1 1 for the academic examination of junior high school graduates in Xiaogan City in 2008?
AC=8 BC=6 According to Pythagorean theorem, we can calculate AB= 10, and then we know that the radius of a circle is 5 and it is a right triangle, so the sum of two acute angles is 90 degrees, then the central angle of a sector is 90 degrees, and the area of a circle with two sectors equal to one quarter should be A.