help me please

Question

0

598

1

A is at point (3,4) and B is at point (8,12)

calculate the length of AB

Guest May 29, 2014

+130511

+5

Best Answer

Using the distance formula, SQRT[(x₂- x₁)^2 + (y₂- y₁)^2], we have

((8-3)^2 + (12-4)^2))^(.5) =

(5^2 + 8^2)^(.5) = (25 + 64)^(.5) = (89)^(.5) =

$${\left({\mathtt{89}}\right)}^{\left({\mathtt{0.5}}\right)} = {\mathtt{9.433\: \!981\: \!132\: \!056\: \!603\: \!8}}$$

CPhill May 29, 2014

CPhill · Answer 1 · 2014-05-29T01:25:21

Using the distance formula, SQRT[(x₂- x₁)^2 + (y₂- y₁)^2], we have

((8-3)^2 + (12-4)^2))^(.5) =

(5^2 + 8^2)^(.5) = (25 + 64)^(.5) = (89)^(.5) =

$${\left({\mathtt{89}}\right)}^{\left({\mathtt{0.5}}\right)} = {\mathtt{9.433\: \!981\: \!132\: \!056\: \!603\: \!8}}$$