Question

Each pair of polygons is similar. Find the value of x.

Answer 1

similar triangles mean their sides are proportional so
10/8 = (x-1)/(x+2)

Answer 2

would you cross multiply

Answer 3

sure then u will get 10(x+2)=8(x-1)

Answer 4

would you distribute and get 10x+20=8x-8

Answer 5

sure then u re-group n solve for x :)

Answer 6

is it -14

Answer 7

yes....but it doesnt make sense....let me double-check....

Answer 8

dont see anything so i guess thats the right answer

Answer 9

could an equation be 10x=x+2

Answer 10

could the help look on page 16 http://crunchymath.weebly.com/uploads/8/2/4/0/8240213/chapter7cwanswers.pdf

Answer 11

10/8 = (x-1)/(x+2) this wrong it should by 10/8 = (x+2)/(x-1)

Answer 12

x=13

Answer 13

yes

Answer 14

@AJ01 thank you for catching my mistake!!