merrifn84
merrifn84 merrifn84
  • 04-05-2020
  • Mathematics
contestada

What is the length of the unknown leg in the right triangle?

What is the length of the unknown leg in the right triangle class=

Respuesta :

jimrgrant1 jimrgrant1
  • 04-05-2020

Answer:

a = 3

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

a² + 8² = ([tex]\sqrt{73}[/tex] )²

a² + 64 = 73 ( subtract 64 from both sides )

a² = 9 ( take the square root of both sides )

a = [tex]\sqrt{9}[/tex] = 3

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