Question

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

34° 56°
90° 124°

Answer 1

so ABCD is a rectangle.

U know measure of <ABC if it is rectangle?

Answer 2

90?..

Answer 3

yea

Answer 4

so BAC, = 56, ABC = 90, If u can find ACB now?

Answer 5

oh ok...i just had to subtract, right? lol

Answer 6

Yes. sum of angles in tri. ACB = 180.

BAC + ABC + ACB = 180

56+90+ACB = 180

Answer 7

ok i got 34, thanks!