Question

Help! One question only

Answer 1

@DanJS
@Directrix

Answer 2

those two are complimentary and add to 90 degrees

Answer 3

4x and the 3x-8 sum to 90

Answer 4

\[\angle CDJ = 3x-8\]
and
\[\angle ADC = 4x\]
complete one quadrant. They are complementary, meaning that they sum to 90 degrees. That is
\[\angle CDJ + \angle ADC = 90 \]
We can then solve for x:
\[3x - 8 + 4x = 90\]

Answer 5

so the answer is 90

Answer 6

No, the two angles add up to 90. You have to solve for x, then plug it into the equation for angle CDJ which is given by
\[\angle CDJ = 3x-8\]