If a circle has a radius (r) with an indicated arc length of 34ℼ, and two central angles of aℼ/15 and 17ℼ/15  What would the length of the radius, r, be of the circle? i) 60 ii)30 iii)42 iv)15

If you are given a right triangle where the smallest angle (B) is 45 degrees, the longest side is2 inches and the shortest side is 1 inch, what would be the value of tan(B)? a) O17 b) O 1/2 c) OV2 d) O/2 None of the above

11. A person on the ground is directly between two helicopters that are flying toward each other at the same altitude. The first helicopter is 2.0 km away from the observer, at an angle of elevation of 30°, while the second helicopter is 3.5 km away. Round answers to the nearest tenth of a kilometre, if necessary. a) Draw a diagram and label the known information. b) How far apart are the helicopters? c) What is their altitude?

Question 5