I need help plzzz...thanks

x=10.58

Step-by-step explanation:

To find the side length of a right triangle, you can use the Pythagorean theorem.

The Pythagorean theorem is

the c is the hypotenuse of the triangle, so 16.

the a and b are the other sides of the triangle, so x and 12.

Therefore,

       now you can solve the equation.

      -144    -144

now you have to square root both sides of the equation.

x=10.58

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126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²