3 years ago

Find the value if x. Please check if I’m right!

Mathematics

1 answer:

Bad White [126]3 years ago

3 0

Answer:

x=77

Step-by-step explanation:

Since both triangles are congruent, the angles will also be equal. Hence, x=77 degrees.

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the coordinates of a line segment are (1,6) and (11, -4). what is the length of the line segment? round your answer to the neare

ddd [48]

The length of the line segment AB where $A(x_A;\ y_A)$ and $B(x_B;\ y_B)$

$|AB|=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}$

We have: $A(1;\ 6);\ B(11;-4)$

subtitute

$|AB|=\sqrt{(1-11)^2+(6-(-4))^2}=\sqrt{(-10)^2+10^2}=\sqrt{100+100}\\\\=\sqrt{100\cdot2}=\sqrt{100}\cdot\sqrt2=10\sqrt2\approx14.1$

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Step-by-step explanation: