2 February, 11:55
A triangle has side lengths of 7 in., 9 in., and 11.
Determine whether this is a right triangle and why
2 February, 12:14
because when you Multiply 7 to the power of 2 its automatically greater than the actual answer and obviously the 9 to the power of 2 already is a lot greater than 11 times 11.
2 February, 13:43
It is not a right triangle because the other side is 11 and not 11.40 when we apply the Pythagoras theorem rule on it
To determine whether it is a right triangle, all we simply need to do is to check using the Pythagoras theorem formula, Using the Pythagoras theorm formula;
opposite² + adjacent² = hypotenuse²
let opposite = 7 and let adjacent = 9 let the hypotenuse be x, if we calculate and x gives 11 then we will know it is a right-triangle
7² + 9² = x²
49 + 81 = x²
130 = x²
Take the square root of both-side
√130 = √ x²
11.40 = x
Therefore it is not a right triangle because the other side is 11 and not 11.40 when we apply the Pythagoras theorem rule on it
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» A triangle has side lengths of 7 in., 9 in., and 11. Determine whether this is a right triangle and why