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blsea [12.9K]
2 years ago
5

Find the distance, c, between (–3, –1) and (3, 2) on the coordinate plane. Round to the nearest tenth if necessary ??

Mathematics
2 answers:
astra-53 [7]2 years ago
8 0

Point distance formula:

d=√((x_2-x_1)²+(y_2-y_1)²)

Substitute

d=√((3-(-3))²+(2-(-1)²)

Simplify

d=√((6)²+(3)²)

d=√(36+9)

d=√(45)

<h2><u><em> d=3√(5)</em></u></h2>

<u><em></em></u>

-Hunter

konstantin123 [22]2 years ago
3 0
<h3>Given :-</h3>
  • (x 1 , y1) = (-3 , -1)

  • (x2 , y2) = (3 , 2)

\\  \\

<h3>To find:</h3>

  • Distance between two points

We know :-

\bigstar \boxed{ \rm d =  \sqrt{(y_2 - y_1 {)}^{2} + (x_2 - x_1 {)}^{2} } }

So:-

\dashrightarrow \sf d =  \sqrt{(y_2 - y_1 {)}^{2} + (x_2 - x_1 {)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{(2 - ( - 1) {)}^{2} + (3 - ( - 3) {)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{(2 +  1 {)}^{2} + (3  +  3{)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{(3 {)}^{2} + (3  +  3{)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{(3 {)}^{2} + (6{)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{9 + (6{)}^{2} } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{9 +36 } \\

\\  \\

\dashrightarrow \sf d =  \sqrt{45} \\

\\  \\

\dashrightarrow \sf d =  \sqrt{3 \times 3 \times 5} \\

\\  \\

\dashrightarrow \sf d =3 \sqrt{5}

\\  \\

\dashrightarrow \sf d =3  \times 2.23

\\  \\

\dashrightarrow \bf d =6.70

\\  \\

\therefore \underline{ \textsf{ \textbf{distance \: between \: two \: points \: is \: equal \: to \red{6.70 \{approx\}}}}}

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