Answer:
38
the angles need to add up to 180 degrees because they are supplementary.
Do 180-142=38
Hope this helps. Supplementary means when you add the angles together they add up to 180.
Step-by-step explanation:
Answer:
I think the unit rate is 6$
i divided 48 by 8 and got 6
Answer:
Step-by-step explanation:
A = 9
chord length c = 18
height h = 4
r = (c²+4h²)/(8h) = 12.125