Question

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Answer 1

Answer:

Let the side of BC be x cm

Step-by-step explanation:

Using Pythagoras Theorm

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

(25)^2 - (7)^2 = (x)^2

625 -49 = (x)^2

576 = x^2

root 576 = x

24 cm = x

Therefore BC = 24 cm

Answer 2

Answer:

24 cm

Step-by-step explanation:

for right angled triangle , AC²=AB²+BC²

7²=25²+BC²

BC²=25²-7²

BC²=625-49

BC²=576

BC=$\sqrt576$

BC=24