Carolineljones1581 Carolineljones1581

08-11-2021
Mathematics

contestada

12
Solve for a.
✓ [?]
9
a =
Enter the number that
goes beneath the
radical symbol
a

12 Solve for a 9 a Enter the number that goes beneath the radical symbol a class=

Respuesta :

devishri1977 devishri1977

08-11-2021

Answer:

63

Step-by-step explanation:

Use Pythagorean theorem,

base² + altitude² = hypotenuse²

a² + 9² = 12²

a² = 12² - 9²

a² = 144 - 81

a² = 63

a = √63

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