Cos D = adjacent of angle D/ Hypotenus
=33/65
Answer: 166.67π
Step-by-step explanation:
150/360 x π x 20²
Because the answer is in pi, we times 150/360 by 20² and pop the pi sign next to it
150/360 x 20² = 166.66667
and when we put the pi sign it is
166.67 π
For number 2. The answer is $6.49
