Question

15.ABC is a triangle, right angled at C. If AB = 25 cm and AC = 7 cm Find BC.
(2 Points)

Answer 1

Answer:

Given

AB = 25 cm

AC = 7 cm

angle C = 90°

So, by Pythagoras theorem

(AC)^2 +(BC)^2 = (AB)^2

7^2 +(BC)^2 = 25^2

49 +(BC)^2 = 625

(BC)^2 = 625-49 =576

BC = √576 = 24 cm

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