Find the cube roots of 27(cos 279° + i sin 279°).

3 (cos 93 + i sin 93)

Step-by-step explanation:

We are to find the cube roots of the following:

27 (cos 279° + i sin 279°)

Simplifying this to get:

We know that

So, cube root =

step-by-step explanation:

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.