Step-by-step explanation:
lets take a look....
In order to find the perimeter of a triangle you have to get the sum of all sides. In other words,
Blue triangle:

Red triangle:

Difference:

Answer:
x=1.5
Step-by-step explanation:
You divide 8 by 8 and then -12 by 8. And then you get x=-1.5 because 8 divided by 8 is zero and -12 divided by 8 is -1.5
That is because The curiculem changes with time.
45.2 megabytes. When the download is 19.3% complete, have been downloaded 45.2 megabytes.
To solve this problem we have to use the rule of three.
234 megabytes ----------> 100%
x <---------- 19.3%
x = (234)(19.3)/100
x = 4516.2/100
x = 45.162
Round to the nearest tenth:
x = 45.2 megabytes