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let length of congruent side is x
so, by the ques length of non congruent side= x/2
so perimeter of triangle= x+x+x/2
45=5x/2
x= 18
show the length of congruent sides are 18 cm each. option 4)
so, by the ques length of non congruent side= x/2
so perimeter of triangle= x+x+x/2
45=5x/2
x= 18
show the length of congruent sides are 18 cm each. option 4)
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