03-02-2020
Mathematics

contestada

How do i find the length of side AB?

How do i find the length of side AB class=

Respuesta :

jimrgrant1 jimrgrant1

03-02-2020

Answer:

AB = 78

Step-by-step explanation:

Using Pythagoras' identity in the righr triangle.

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

AB² = 72² + 30² = 5184 + 900 = 6084 ( take the square root of both sides )

AB = [tex]\sqrt{6084}[/tex] = 78

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