16. ABC is a right angled triangle such that ABC=90° , AC=25 cm, AB=24 cm
then the area of a ABC is
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Answer:
angle ABC=90degree
AC=25 cm
AB=24 cm
by pythogoras theorem,
BC sq=AC sq -AB sq
BC sq=25 sq-24 sq
BC sq=625-576
BC sq=49
BC=7 cm
Area of right-anled triangle ABC=1/2*AB*BC
=1/2*24*7
=12*7
=84 cm sq
hope it helps......
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