A rhombus diagonals form right angles. The diagonals also cut in half the angles
use cosine: cos38 = 
a = 20cos38
a=15.8
This answer is quadrant 3 because if you do the math then you end up in quadrant 3
Step-by-step explanation:
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The difference is that evaluating an expression for a given value is an example of let’s say In a example, the variable x is equal to 6 since 6 + 6 = 12. So it means that they are giving you the input already. SOLVING an equation is working backwards, to undo everything that has been done to the input. So you have to do the equation in order to find your answer.
Divide I from both sides then subtract r from both sides, too so in the end:
R= (E-r)/I
