Answer:
The dock is
high
Step-by-step explanation:
we know that
Applying the Pythagoras theorem
Let
x------> the height of the dock

Solve for x





the answer is: < 1.8 repeating is greater that the square root of 2
Answer:
x=31
Step-by-step explanation:
QPC is a triangle. All angles of a triangle adds up to 180.
(x+11)+(2x+6)+70=180
x+11+2x+6+70=180
Combine like terms
3x+87=180
Subtract 87 from both sides
3x+87-87=180-87
3x=93
Divide both sides by 3
x=31