Reflect the triangle question 7

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Rewrite so the subject can be y in the formula d=m-y/y+n

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.