Geometry Triangles.

4

Step-by-step explanation:

since the triangle is isosceles, the vertical line splits the base into two equal halves. the triangle is now 3 - x - 5.

use Pythagorean theorem , where c is the hypotenuse and a and b are the other side lengths

25=9+

= 16

x =

x = ±4

since a measure of distance cannot be negative, x = 4, not -4.

to rewrite a literal equation you may need to divide by a number, or by a variable.

hope i .

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