Question

If a =(9,18) and b=(1,12) what is the length of ab

Answer 1

10 units

Explanation:

Use the distance formula. Substitute the values, (1-9)²+(12-18)²=100. The square root of 100 is 10.

Answer 2

AB = 10

Explanation:

Use the distance formula: √(12 - 18)^2 + (1 - 9)^2

√36 + 64

10