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TheOneandOnly003
02.08.2019 •
Mathematics
The leg of a right triangle is 2 units and the hypotenuse is 5 units. what is the length, in units, of the other leg of the triangle? answers- a-3 b- sqr root of 21 c-sqr root of 29 d-7
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Ответ:
a² + b² = c²
We're given the value of the hypotenuse and a leg, therefore we're looking for the value of the other leg.
Now let's plug in the given data into our equation.
2² + b² = 5²
4 + b² = 25
b² = 25 - 4
b² = 21
√b² = √21 = b
The correct answer is B) √21
Ответ: