Answer: Cos13= 9/x x is about 9.2
Step-by-step explanation: cos13 =about .97 9/9.2=.97
Hello,
let x the first angle
5x the second
2/3 x the third
x+5x+2/3x=180
==>20x/3=180
==>x=27 (°)
5x=5*27=135
2/3*x=2/3*27=18
27+135+18=180
Answer:
11
Step-by-step explanation:
10 percent of 10 is 1 so add that to 10 and you have your price