Look at attached photo
first divide each line into the number as shown in the denominator
Answer:
6/5
Step-by-step explanation:
I think the answer is B.
But my second choice would be C.
7x + 4 + 9x = 180
16x = 176
x = 11
9x = 9x11 = 99
7x + 4 = 7(11) + 4 = 77 + 4 = 81
<span>in order to form a rectangular image, each angle needs to be equal 90 degreesn
99 - 9 = 90
81 + 9 = 90
answer
</span><span>B. 9°</span>