Mathematics: Analyze the diagram below and complete the instructions that follow. find the value of x

Analyze the diagram below and complete the instructions

Ответ:

Trinhphuongtran

16.01.2022

One of the rules of triangles is that if you have a 45 45 90 angle triangle, the two sides besides the hypotenuse are equal to each other. In this case, one of the sides is equal to x, so other side is equal to x as well. Now, to solve for x, you need to know the Pythagorean theorum:

${a}^{2} + {b}^{2} = {c}^{2}$

Both 'a' and 'b' are equal to x, and 'c' is equal to 3, so I'll make the substitutions below:

${x}^{2} + {x}^{2} = {3}^{2}$

This can be simplified to:

${2x}^{2} = 9$

Now we just solve for x:

$\frac{2}{2} {x}^{2} = \frac{9}{2}$

$\sqrt{ {x}^{2} } = \sqrt{ \frac{9}{2} }$

$x = \frac {\sqrt {9}}{\sqrt {2}} \times \frac {\sqrt {2}}{\sqrt {2}}$

Solution:

$\frac {3\sqrt {2}}{2}$

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Ответ:

leen2727

17.09.2022

Mathematics

7 + 9⁵ -7

Step-by-step explanation:

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Analyze the diagram below and complete the instructions that follow.

find the value of x

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