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(a) use the formula y=mx + c where m is gradient and c is y intercept. to find gradient, its “rise over run” meaning difference in y coordinates over difference in x coordinates
(b) use of formula which is derived from pythagoras’ theorem where segment AB is the hypothenus
(c) line parallel to y axis and passes (12,0) is x=12. since it intersects with line AB produced, substitute x=12 into ur equation from (a)
(b) use of formula which is derived from pythagoras’ theorem where segment AB is the hypothenus
(c) line parallel to y axis and passes (12,0) is x=12. since it intersects with line AB produced, substitute x=12 into ur equation from (a)
Date Posted:
4 years ago