How to solve each system by substitution y=6x-11 -2x-3y=-7
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We know that the ratio is;
The angles in a triangle add up to give 180°
We can think of there being twelve "parts" that add up to 180°
So our ratio is;
So the smallest angle is 30°
The angles in a triangle add up to give 180°
We can think of there being twelve "parts" that add up to 180°
So our ratio is;
So the smallest angle is 30°