If it's a right angle triangle then use Pythagoras' theorem.
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The longest length would be the hypotenuse. You can use SOHCAHTOA to find the length.
15 units in length
Use Pythagorean Theorem: 32+42 = 25 (the hypotenuse squared) The square root of 25 is 5. Length of the hypotenuse = 5 units
It is a right angle triangle and by using Pythagoras' theorem the length of its hypotenuse is 10 feet.
No; the tangent ratio only deals with the lengths of the opposite side and adjacent side. You can square the two sides and add them together, then find the square root of the sum to find the length of the hypotenuse.