Find the value of z in the isosceles triangle shown below.
V20
V20
8
1 answer:
Answer:
<h3>
x = 2 </h3>
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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