x ≈ 11.47
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos55° = = ( multiply both sides by 20 )
20 × cos55° = x , then
x ≈ 11.47 ( to the nearest hundredth )
`1234567890-=/*-qwertyuiop[]asdfghjkl; '\\zxcvbnm,./+ /
answer: b
step-by-step explanation: