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c²=2a²
c²=2*10²
c²=2*100
c²=200
c=√100*2
c=10√2
b)
12²=2a²
144=2a²
a²=72
a=√36*2
a=6√2
Korzystasz z Tw. Pitagorasa. Trójkat równoramienny prostokatny ma bokidługości a,a,c
a) a = 10cm
c² = 2a²
c² = 200
c = √200 = 10√2 cm
b)
c = 12cm
c²=2a²
144 = 2a²
a²=72
a = 6√2 cm