10-12-2020
Mathematics

contestada

Find the value of z in the isosceles triangle shown below.
V20
V20
8

Find the value of z in the isosceles triangle shown below V20 V20 8 class=

Respuesta :

ricchad ricchad

11-12-2020

Answer:

x = 2

Step-by-step explanation:

use Pythagorean theorem:

a² + b² = c²

where a = x

b = 8/2 = 4

c = √20

plugin values into the formula:

x² + 4² = (√20)²

x² + 16 = 20

x² = 20 - 16

x = √4

x = 2

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