This is in the fourth quadrant where the cosine is positive
By pythagoras the hypotenuse is 5
so the cosine is 3/5 B
Answer:
60/13
Step-by-step explanation:
Use area.
5 x 12 x 1/2 = h x 13 x 1/2
13/2 h = 30
13 h =60
h = 60/13
It could be 1.85 meters for an adult bike.
The correct answer are C. D. and E.
