Respuesta :

Use distance formula and take this question down, easily.

Step-by-step explanation:

Distance xy =

[tex] \sqrt{ {(x_2 - x_1) }^{2} + {(y_2 - y_1)}^{2} }[/tex]

Therefore AB

=[tex]\sqrt{(7-3)^2 +(8-4)^2}[/tex]

=[tex]\sqrt{(4)^2 +(4)^2}[/tex]

=[tex]\sqrt{32}[/tex]

=[tex]\boxed{4 \sqrt{2}-units} [/tex]

[tex] \huge \tt \color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }[/tex]

[tex]\large\underline{ \boxed{ \sf{✰\:Important\: points }}}[/tex]

➢ Here question is asking to find the distance between points "A" and "B"

➢we can easily solve such ques by understanding a simple concept of Euclidean distance formula

➢ DISTANCE FORMULA :- Any algebraic expression that gives the distance between two points in a particular coordinate system in a particular number of dimensions

[tex]\rule{80mm}{2.5pt}[/tex]

[tex]{ \boxed{✜\underline{ \boxed{ \sf{Distance \: Formula = \sqrt{{(x_2 - x_1)}^{2} + {(y_2 - y_1) }^{2} } }}}✜}}[/tex]

★ Here

  • [tex] \sf \:➣ x_2 = 7 \\ [/tex]
  • [tex] \sf➣x_1=3[/tex]

  • [tex] \sf➣y_2=8[/tex]

  • [tex] \sf➣y_1=4[/tex]

[tex]\rule{80mm}{2.5pt}[/tex]

[tex] \large\underline{ \boxed{ \sf{✰\:Now\: substitute\:value}}}[/tex]

[tex]\sf \: ➛ \: distance = \sqrt{{(x_2 - x_1)}^{2} + {(y_2 - y_1) }^{2}} \\ \sf \: ➛distance = \sqrt{{(7 - 3)}^{2} + {(8 - 4) }^{2}} \\ \sf ➛solving \: bracket\\ \sf \: ➛distance =\sqrt{{(4)}^{2} + {(4) }^{2}} \\ \sf \: ➛solving \: square \: roots \\ \sf \: ➛distance = \sqrt{32} \\ \sf \: ➛distance = \sqrt{16 \times 2} \\ \sf \: ➛distance = \sqrt{4 \times 4 \times 2} \\ \sf \: ➛distance =4 \sqrt{2} units[/tex]

[tex]\rule{80mm}{2.5pt}[/tex]

Hence distance of AB =

[tex]{ \boxed{✟\underline{ \boxed{ \sf{\: AB=4 \sqrt{2}units {\green ✓}}}}✟}}[/tex]

Hope it helps !