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JordanIt all depends on which aspect of the triangle you are being asked to find and what values you already have.
If you wish to find an angle, certain values must already be known and you can use trigonometry to find X.
If you are asked to find the length of a side, Pythagoras can be used if the triangle contains a right angle.
Remember, the angles inside a triangle always add up to 180 no matter what, so if you have two angles and simply wish to find the third, all you need to do is find the remaining difference.
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Find the value of 2x² when x equals 3?
18
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180-x...... hahaahahaaa
What is x to the second power minus x?
A function--namely a parabola (concave up). To "evaluate" this function you would need an x value and would find the resulting y value. To "solve" this function, you would probably be given a y value and asked to find the corresponding x value(s).
Find four different solution of the equation x plus 2y equals 3?
Replace a value for x, then solve for y, to find the corresponding value for y. Repeat for other values of x.
What happens to the value of y when the value of x changes in y equals 4x?
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