Odpowiedzi

2010-02-16T18:20:10+01:00
A)
4²+4² = c²
16+16=c²
c² = 32
c = 4√2

b)
x² + 3² = (4√3)²
x² = (4√3)² - 3²
x² = 48 + 9
x² = 57
x = √57
2 5 2
2010-02-16T18:20:19+01:00
A)
4²+4²=x²
16+16=x²
32=x²
√32=x

b)
4√3²-3²=x²
48-9=x²
39=x²
√39=x
1 5 1
2010-02-16T18:20:56+01:00
A² + b² = c²

a) 4² + 4² = c²
16 + 16 = c²
c² = 32
c = √32 = √16*2 = 4√2


b)x² + 3² = (4√3)² | - 3²
x² = 48 - 9
x² = 39
x = √39
1 5 1