Answer:
b. 55cm
Step-by-step explanation:
Look at image for the process.
Answer:
x = 16
Step-by-step explanation:
cos theta = adjacent side / hypotenuse
cos 60 = 8/x
Multiply by x on each side
x cos 60 =8/x*x
x cos 60 = 8
Divide by cos 60 on each side
x cos 60/cos 60 = 8 /cos 60
x =8 /cos 60
x = 16
Answer: A
Step-by-step explanation: because I had that same test last year
50
uhh as each scientific notation is 10 more, so therefore 5 x 10
50