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Each leg of a 45 45 90 triangle measures 12cm what is the length of the hypotenuse
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Each leg of a 45 45 90 triangle measures 12cm what is the length of the hypotenuse

User Jacob Tabak
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7.2k points

2 Answers

2 votes
This a right isosceles triangle. Then we can apply Pythagoras:

(hypotenuse)² = 12² +12²

(hypotenuse)² = 144 + 144 = 288

hypotenuse = √288 = 16.97 cm
User Xavier Lambros
by
6.7k points
3 votes
There is one rule for 45-45-90 right triangles.
Hyp = sqrt2 * leg
Hyp = 12sqrt2
User Tito
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7.5k points
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