Odpowiedź:
a) 5^2 +12^2 = x^2
x = ✓169 = 13
b) y^2 + 6^2 = 10^2
100 - 36 = y^2
64 = y^2
y = ✓64 = 8
C) 4^2 +x^2 = 3✓2^2
16+x^2 = 6
16-6 = x^2
X = ✓10
d) 3✓3^2 + 2✓5^2 = b^2
9 + 10 = b^2
✓19 = b
E) ✓11^2 + c^2 = 5^2
11+c^2 = 25
25-11= c^2
✓14= c
f) 4+3x+1+3-5x =
7x+4 -5x =
2x + 4 /:2
X = 2
