Suppose I have a triangle with coordinates (1,1),(3,1),(2,2) and I want to rotate them 80 degrees so that they stay at same distance from origin,what will be the rotated triangle's coordinates?how do I find them?
Can you do matrix multiplication?
will do the trick.
MathsIsFun has a matrix calculator at
Choose option AB.
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Thank you,but i can do matrix multiplication and i have got my answer.