exam Maths Puzzle Numerical Ability

Find the perimeter of a rectangle whose area is 22 square meters and whose diagonal is 10 meters.

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exam Other Question

Determine if the following are solutions to the inequality...
-1, 1, 6, 13

x - 3>_6 (the _ is supposed to be inderneath the >)

Can someone please help me, I do not understand how to do these at all. We can use the Pythagorean Theorem to solve problems that involve right triangles.Provide an example of a day-to-day situation that involves right triangles and the use of the theorem.