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solve a please please please please

Solve A Please Please Please Please class=

Sagot :

Answer:

a = √72

Step-by-step explanation:

Using Pythagoras' Theorem,

hypotenuse² = opposite² + adjacent²

9² = 3² + a²

a² = 9² - 3²

a² = (9-3)(9+3)

a² = 6(12)

a² = 72 Take square roots of both sides

a = √72