Find the length of the third side. If necessary, write in simplest radical form. (15 POINTS!!)
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Answer:
4
Step-by-step explanation:
perpendicular (p) = 4
hypotenuse (h) = 2√5
base (b) = ?
We know by using Pythagoras theorem
b = √(h² - p²)
= √ (2√5)² - 4²
= √ 16
= 4