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Sagot :
Answer: C— 9 m
Steps:
a^2 + b^2 = c^2
12^2 + b^2 = 15^2
144 + b^2 = 225
b^2 = 81
b = 9
Steps:
a^2 + b^2 = c^2
12^2 + b^2 = 15^2
144 + b^2 = 225
b^2 = 81
b = 9
Answer:
C. 9 m
Step-by-step explanation:
The Pythagorean theorem says
[tex]leg_{1} ^{2} + leg_{2} ^{2} = hyp^{2}[/tex]
Let the third side, which is a leg, = x
[tex]12^{2} + x^{2} = 15^{2}[/tex]
144 + [tex]x^{2}[/tex] = 225
[tex]x^{2} = 81\\x = \sqrt{81} = 9[/tex]
C. 9 m
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