Answer: 80
Step-by-step explanation:
Sin x = cos (90-x)
Like sin 30 = cos (90-30) =cos 60
So
90-x=90-80
Then
X=80
Verify your solution by finding the sum of the angles of sin and cos, it will be 90
Answer:
five line segment =AB,AC,AD,BC,BD,CD
Take the cost of the item $164 X 4.7%= $7.71 the tax on the item
Then add price + tax = price paid.
$164 + $7.71 = $171.71
The answer is to the equation is 53