In a right angled triangle abc : ab=7cm ac=25cm and b=90digrees find bc
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Step-by-step explanation:
in triangle ABC. angle b=90 degrees.
ac(hypotenuse)=25cm.
ab = 7cm.
from Pythagoras theorem,
ac² = ab²+bc²
(25)²=7²+bc²
bc²=625-49
bc²=576
bc=24.
length of bc = 24cm
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