base of an isosceles triangle is 12cm and perimeter is 32cm. find its area.
Answers
Answered by
7
In an isosceles triangle side AB=AC
therefore 12+2x=32
2x=20
x=10
using herons formula s=32/2=16
s-a= 16-12=4
s-b= 16-10=6
s-c=16-10=6
then,
root of 16*4*6*6
=6*4*2
48cm square
therefore 12+2x=32
2x=20
x=10
using herons formula s=32/2=16
s-a= 16-12=4
s-b= 16-10=6
s-c=16-10=6
then,
root of 16*4*6*6
=6*4*2
48cm square
nandini2004:
mark as brainliest
pls.
Answered by
7
hope it is easy for u by this method
Attachments:
Similar questions