6/7, 12/14, 18,21, 24/28, 30/35, 36/42 in so on
130 (I have to write 20 character or more so I'm writing this)
Answer:
c
Step-by-step explanation:
An
amusement park ride has a moving platform attached to four swinging arms. The
platform swings back and forth, higher and higher, until it goes over the top
and around in a circular motion. In the diagram below, AD and BC represent two of the swinging arms, and DC <span>is parallel to the ground
</span>(line l). Explain
why the moving platform AB <span>is always parallel to the ground.</span>