For O, ED is tangent at D, AOB = 20 ; GF = 6 ; A ∠ ° ° = ° ° H 50 ; BC = 60 . A B H C O K D G F E 8. Two pipes are tightly bound together with a very thin wire as shown. The radii of the pipes are 2 and 6 inches respectively. Determine the minimum possible length of the wire. (10-8) 9. Segment PT is tangent to the circle. BQ = 6; CQ = 16; DQ = 12; PD = 8; PF = 4. Find: AQ; PT; EF. C B Q D A F P E T Find: a. ArcAB b. ∠BFC c. ArcCD d. ArcHG e. ∠HOF f. ∠CKD g. ArcFD h. ∠BED i. ∠ODE j. ∠A