3 years ago

12 The value of x must be greater than a .0 B.1 C.3 D.7

Mathematics

1 answer:

Likurg_2 [28]3 years ago

7 0

Answer:

must be greater than 7

Step-by-step explanation:

using pythagoras theorem

a^2=b^2-c^2

x^2=15^2-12^2

x^2=225-144

x^2=81

take square root both sides

√x^2=√81

x=9

and 9 is greater than 7

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