Answer:
20 cm
Step-by-step explanation:
We can use ratios to solve
We know x = 7 since they are of equal length
x x+7
----- = -------
10 y
7 7+7
Using cross products
7y = 14*10
7y = 140
Divide by 7
7y/7 = 140/7
y = 20
6584.22
used a calculator (ti-84 plus tx instruments)
(-2, -5)
(-1, -2)
(0, 1)
(1, 4)
(2, 7)
Substitute x with each number and solve equation.
