Question

In an isosceles ABC, IF AB=AC = 13 cm and the altitude from A on BC is 12
on the length of BC is:
(a) 10 cm
(b) 8cm
(c) 12 cm
(d) None of these​

Answer 1

the answer is option a)10

Answer 2

Answer:

the answer is 10 cm

Step-by-step explanation:

the altitude is perpendicular so it'll bisect the line BC so now apply Pythagoras theorem

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