Question

find the lenth of each of the equal sude of an iso scale triangle,if the permeter and unequal side are
perimeter=40cm unequal sude=6cm

Answer 1

let the length of each uqual side be xcm
and given length of unequal side is 6cm.
then
40=6+2x
X=17cm

Answer 2

a+b+c=180
6+6+x=180
12+x=180
X=180-12
X=168
Hence:
C=168
Check :
6+6+168=180
That's what I think ..................
Hope it helps u