Question

In the right - angled triangle ABC , triangle C =90degree l(AC) =5cm and l(BC)=12cm.
What is the length of seg AB?​

Answer 1

Answer:

(AB)sq =(AC)sq+(BC)sq

(12) sq + (5) sq

144+25

169

AB = 13 cm

Answer 2

Answer:

AB²=BC²+AC²

x²=12²+5²

x²=144+25

x=√169

AB=13cm