Answer to Question #139555 in Geometry for Kaiyah

Question #139555
What are the coordinates of the point 2/5 of the way from h to e on the grid
1
Expert's answer
2020-10-21T17:24:09-0400

let H coordinates be (xx1,y1)

let E coordinates be (xx2,y2)


 lets find the coordinates of the point 2/5 of the way from h to e on the grid

A (xx , y)

using section formula

xx = xx1 + aa+b\frac{a}{a+b} (xx2 - xx1) and y = y1 + aa+b\frac{a}{a+b} (y2 - y1)

a=2 and b=5

xx = xx1 + 22+5\frac{2}{2+5} (xx2 - xx1) and y = y1 + 22+5\frac{2}{2+5} (y2 - y1)


xx = xx1 + 2(x2x1)7\frac{2(x_2-x_1)}{7} and y =y1 + 2(y2y1)7\frac{2(y_2-y_1)}{7}


xx = xx1 + 2x22x17\frac{2x_2-2x_1}{7} and y = y1 + 2y22y17\frac{2y_2-2y_1}{7}


xx = 7x1+2x22x!7\frac{7x_1+2x_2-2x_!}{7} and y = 7y1+2y22y17\frac{7y_1+2y_2-2y_1}{7}


xx = 5x1+2y27\frac{5x_1+2y_2}{7} and y = 5y1+2y27\frac{5y_1+2y_2}{7}


these are the new coordinates


A( 5x1+2x27\frac{5x_1+2x_2}{7} , 5y1+2y27\frac{5y_1+2y_2}{7} )


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