Respuesta :

The value of x in the right angle triangle is 45 / 4 units

How to find the side of a right triangle?

AB² = 20² - 15²

AB = √400 - 225

AB = √175

AB = √175 units

Hence, using similarity ratio,

x / 15 = 15 / 20

cross multiply

20x = 225

x = 225 / 20

x = 45 / 4

learn more on right triangle here: https://brainly.com/question/24650194

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