D. Subtract 2 from the number of sides and multiply the difference by 180
First one is 0 second is 1 third is 2 and fourth is 3 hope it helps
Step-by-step explanation:
Use the sine and cosine trig functions
21) cos(52)=13/x
x=13/cos(52)
x=21.1
22) sin(75)=6/x
x=6/sin(75)
x=6.2
Answer:
it is 20% your welcome
Step-by-step explanation:
because when you divide 100 by 2 its 50 so its 20%