To do this, find the square root of 16. 4 x 4 is 16. So one side of the square is 4 units.
19^2 + x^2 = 21^2
19^2 = 361
21^2= 441
361 + x^2 = 441
x^2 = 441-361 = 80
x = sqrt(80) = 8.944 round to nearest tenth = 8.9
You can do pencil and paper or use a calculator if necessary
Your answer is <em>3.5</em>
Answer:
for which problems if it is all the ones you haven't done yet then say that.
Step-by-step explanation:
i dont know how to gragh pionts on this thing plz tell me how
Answer:
46.9 for the first one
Step-by-step explanation:
So sorry if i'm wrong <3
