Answer:
x=21
Step-by-step explanation:
x=9+12 x=21
I think 0.3 is less 7.85 because there is a 1 on the end that was is a 3 and if you round it would be 0
Answer: 0.6
Why: 1/3 * 1/5= 0.066
0.066+8/15= 0.6
Hope this Helps :D
To find x:
use the formula: tan° = opposite/adjacent
tan 61° = x/10
answer: 18.0
other length:
use the formula: cos° = adjacent/hypo
cos 61° = 10/y
answer: 20.6