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Diano4ka-milaya [45]
3 years ago
6

Jk has endpoints J(-1, 10) and K(-5, 2). MN had the endpoints M(9, -7) and N(1, -3). is JK congruent to MN?

Mathematics
1 answer:
dalvyx [7]3 years ago
6 0

Answer:

<em>It's true that  JK \cong MN</em>

Step-by-step explanation:

<u>If the lengths of two line segments are equal, then they are said to be congruent to each other</u>.

JK has endpoints as J(-1, 10), K(-5,2) and MN has endpoints as M(9,-7), N(1,-3)

<u>Formula for finding the length of line segment:</u> \sqrt{(x_{1}-x_{2})^2+(y_{1}-y_{2})^2} , where (x_{1}, y_{1}) and (x_{2}, y_{2}) are two endpoints.

So, the length of JK = \sqrt{(-1-(-5))^2+(10-2)^2}= \sqrt{(4)^2+(8)^2}= \sqrt{16+64}= \sqrt{80}

and the length of MN=\sqrt{(9-1)^2+(-7-(-3))^2}= \sqrt{(8)^2+(-4)^2}= \sqrt{64+16}= \sqrt{80}

As, the lengths of JK and MN are equal, so we can say that, JK is congruent to MN.

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