Question

Quadrilateral ABCD is a rectangle. What is the measure of ∠ACB?

Answer 1

Start with this, the total angle in a triangle is 180 degrees

The point C part is a right angle so its 90 degrees
They give you the one corner as 56 degrees

So...

90+56+X=180
Solve for X :)

Answer 2

34=x ? @edlevin

Answer 3

You got it :)

Answer 4

thanks!