Find the area of a rhombus whose side is 20 cm and one if its
diagonal is 24 cm, by using Heron’s formula.
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Answer:
area of triangle=√s(s-a)(s-b)(s-c)
a+b+c/2=
20+24+c=44c
so,c=44
s=44
area of a triangle=√s(s-a)(s-b(s-c)
=√44(44-20)(44-24)(44-44)
=√44(24)(20)(0)
=√1056(20)
=√21,120
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