Please read the attachment that is there.
1 answer:
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Answer:
To work out the percentage, all you have to do is divide the first subject by the second and multiply that by 100%.
In other words,
=
= .
Step-by-step explanation:
Hope this helped!
Answer:
x = 10 , y = 10
Step-by-step explanation:
using the sine and cosine ratios in the right triangle and the exact values
cos60° = , sin60° =
, then
cos60° = =
=
( cross- multiply )
2x = 20 ( divide both sides by 2 )
x = 10
and
sin60° = =
=
( cross- multiply )
2y = 20 ×
= 20
( divide both sides by 2 )
y = 10