The rate of change is (amount of the change) / (time it took to change) .
Amount of the change = (3 - 1) = 2 .
Rate of change = (2) / (time it took to change from 1 to 3) .
For the first one, its 86 square in, and the second one is 45 square cm.
Your answer is D.
Plug in the x value into the equation and ou will get your answer.
(1+4)^2 = 5^2 = 25
So on and so on
You can find the missing angles that supplements x. 180 - 90 - 25 = 65. The line is 180, so 2(65) + x = 180. x is 50.
