If point Q(3,-4) is rotated +270° about the origin, what are the coordinates of Q?

Step-by-step explanation:

Given

Rotation = +270 degrees

Required

Determine the new coordinates of Q (i.e. Q')

When a point (x,y) is rotated +270° about the origin, the new coordinates is: (y,−x)

So:

Where:

and

Q' will be:

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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