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sudakova20021
@sudakova20021
March 2022
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Заранее спасибо))))))
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keized
!)
ad=50
bc=14
ab=?
bd=?
bd=
bd²=ab²+ad*bc
ad²=ab²+bd²=ab²+ab²+ad*bc
2500=2ab²+700
2ab²=1800
ab²=900
ab=30
bd=√900+700=√1600=40
2)x²+y²=(9+4)²
y²-9²=x²-4²
y²=x²+9²-4²=x²+65
x²+x²+65=169
2x²=104
x²=52
x=√52
y²=52+65
y²=√117
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Answers & Comments
ad=50
bc=14
ab=?
bd=?
bd=
bd²=ab²+ad*bc
ad²=ab²+bd²=ab²+ab²+ad*bc
2500=2ab²+700
2ab²=1800
ab²=900
ab=30
bd=√900+700=√1600=40
2)x²+y²=(9+4)²
y²-9²=x²-4²
y²=x²+9²-4²=x²+65
x²+x²+65=169
2x²=104
x²=52
x=√52
y²=52+65
y²=√117