Respuesta :

Answer:

[tex]x=10\ units[/tex]

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The height of an isosceles triangle divide the triangle into two congruent right triangles.

so

Applying the Pythagorean Theorem

[tex](\sqrt{74})^2 =7^2+(\frac{x}{2})^2[/tex]

solve for x

[tex]74 =49+\frac{x^2}{4}[/tex]

[tex]\frac{x^2}{4}=74-49[/tex]

[tex]\frac{x^2}{4}=25[/tex]

[tex]x^2=100\\x=10\ units[/tex]

Ver imagen calculista

Answer:10

Step-by-step explanation:

a(2)+b(2)=c(2)

6(2)+8(2)=x(2)

36+64=x(2)

100=x

x=10