The equivalent decimals for 21/40 is 0.525
The best estimate would be 121/15 = 8.1
I don’t know but Good luck
Answer:
x = 10
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin60° =
, then
sin60° =
=
=
( cross- multiply )
2x = 20
( divide both sides by 2 )
x = 10
Answer: 6
Explanation: calculator