Respuesta :

Bromine67

Answer:

AB=8cm

Step-by-step explanation:

Since ABC is a right angled triangle,

Using pythagoras theorem,

h²=p²+b²

or, BC²=AC²+AB²

or, 17²=15²+AB²

or, 289=225+AB²

or, 289-225=AB²

or, AB² = 64

so, AB=8 cm

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