In a right-angled triangle ABC, if angle C = 90°
AB = 25 cm and
AC = 7 cm,
then the length of side BC is
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Answer:
use the right angle triangle law
(AB)^2=(AC)^2+(BC)^2
(25)^2=(7)^2+(BC)^2
625=49+(BC)^2
625-49=(BC)^2
576=(BC)^2
√576=√(BC)^2
24=BC......(Square root)
BC=24
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