¶ 1957 AHSME Problem 18
Problem: Circle has diameters and perpendicular to each other. is any chord intersecting at . Then is equal to:
Answer Choices:
A.
B.
C.
D.
E.
Solution:
is a right triangle. By similar triangles, . .
Problem: Circle has diameters and perpendicular to each other. is any chord intersecting at . Then is equal to:
Answer Choices:
A.
B.
C.
D.
E.
Solution:
is a right triangle. By similar triangles, . .