Question

find the length x of line PQ.

Answer 1

oops

Answer 2

haha ok dont know the answer to that one

Answer 3

wrong picture.....hahah

Answer 4

there

Answer 5

ok because they are similar each side of one figure can be multiplied by a scale factor to get the side on bigger or smaller figure
its a ratio problem
x/4 = 4.5/5
cross multiply
5x = 4*4.5
5x=18
x=18/5

4.5/5 = 0.9
so figure 2 is 90% size of figure 1

Answer 6

so x equals ..?

Answer 7

x/4 = 4.5/5
cross multiply
5x = 4*4.5
5x=18
x=18/5

Answer 8

x=3.6

Answer 9

right?

Answer 10

yes correct

Answer 11

ok