Answer:
x = 14
Step-by-step explanation:
Since the triangles are similar then corresponding sides are in proportion, that is
=
( cross- multiply )
12(x - 4) = 120 ( divide both sides by 12 )
x - 4 = 10 ( add 4 to both sides )
x = 14
1 second = 11%
2 seconds = 22%
45 × .22 = 9.9
answer: 9.9 meters
This is telling you to do area and then add the two numbers you get