Answer:
sin(π/8) = (1/2)√(2-√2)
Step-by-step explanation:
Using the half-angle formula ...

We can let θ = π/4 and simplify the result as follows:

you would multiply 36*2/3 and get 24 which would be the new side length
4 dollars flat $4.00
Step-by-step explanation:
1.25x4= 5$ 5$+5$=10$