kayleedavis08
24.06.2019 •
Mathematics
Which one is a quadratic binomial? xy2, x-y2, 3+x2-xy,x2y-y
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Ответ:
1.
Hypotenuse = 14
Base = 12
According to Pythagoras theorem,
Hypotenuse² = base² + height²
=> 14² = 12² + a²
=> 196 – 144 = a²
=> √52 = a
=> a = 7.21
2.
Base = 4
height = 13
According to Pythagoras theorem,
Hypotenuse² = base² + height²
=> 13² = 4² + a²
=> 169 = 16 + a²
=> 169 – 16 = a²
=> √153 = a
=> a = 12.36