+1982 
If NC = 12, RS = 4, and SC = 6, find MN.
A) 4
B) 8
C) 12
D) 16
E) 24
Triangle HKJ is inscribed in the circle as shown. If the triangle is a right triangle, what can you conclude about HJ?
A) It is a radius.
B) It is a diameter.
C) It is congruent to KJ.
D) It is congruent to HK.
E) It is twice the length ofJK.
