What is the area of this triangle????
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ravitata14:
side ==== 20 20 and 14
90 is not a side
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i have used herons formula here
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here,
sides of triangle=
a=20,b=20,c=14
semi perimeter=a+b+c/2
20+20+14/2
=54/2
=27
using herons formula
Ar(Traiangle)=√s( s-a) (s-b) (s-c)
=√27(27-20)(27-20)(27-14)
=√27(7)(7)(13)
=√17199
=131.144cm²
Area of triangle =131.144cm²
hope it helps!
sides of triangle=
a=20,b=20,c=14
semi perimeter=a+b+c/2
20+20+14/2
=54/2
=27
using herons formula
Ar(Traiangle)=√s( s-a) (s-b) (s-c)
=√27(27-20)(27-20)(27-14)
=√27(7)(7)(13)
=√17199
=131.144cm²
Area of triangle =131.144cm²
hope it helps!
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