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please help me with math!

Please Help Me With Math class=

Sagot :

Answer: C

[tex](15)^{2} =a^{2} +(9)^{2} \\\\225=a^{2} +81\\\\a^{2} =225-81\\\\a^{2} =144\\\\a=\sqrt{144} \\\\ answer : a=12[/tex]

Step-by-step explanation:

hope it help have a nice day

Answer:

a = 12

Step-by-step explanation:

Based on the Pythagoras theorem...

[tex]c^{2} = a^{2} + b^{2}[/tex]

(where c is the hypotenuse, and a and b are the legs of the right angle triangle)

Therefore we can rewrite it as...

[tex]c^{2} = a^{2} + b^{2}[/tex]

[tex]15^{2} = a^{2} + 9^{2}[/tex]

[tex]225 = a^{2} + 81[/tex]

[tex]a^{2} = 225 - 81\\a^{2} = 144\\a=\sqrt{144} \\a = 12[/tex]