BC is a diameter of the circle with center O and radius 5, as shown. If A lies on the circle and AO is perpendicular to BC, the area of triangle ABC is
Answer Choices
A. 6.25
B. 12.5
C. 25
D. 37.5
E. 50
BC is a diameter of the circle with center O and radius 5, as shown. If A lies on the circle and AO is perpendicular to BC, the area of triangle ABC is
Answer Choices
A. 6.25
B. 12.5
C. 25
D. 37.5
E. 50