The answer to this question is A
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:

Answer: Without rounding : 13.64 (square cm)
Rounded answer : 13.6(square cm)
Step-by-step explanation:
We know that the area of a rectangle is given by :-
, where l is the length and w is the width of the rectangle.
Given : The dimensions of a rectangle are 3.1 cm wide and 4.4 cm long.
Then, the area of rectangle will be:-

Therefore, the area of rectangle =
Answer:
20748
Step-by-step explanation:
546 times 38
Answer: (-4) and 4
Step-by-step explanation: they are opposites