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Answer:
(1) 1 2/5cm
Step-by-step explanation:
base = 4/3 cm
remaining two side are equal= a cm
perimeter = 4 2/15
a+ a + 4/3 = 62/15
2a = 62/15-4/3
2a=( 62-20)/15
a= 42/30
a=7/5
a=1 2/5 cm
option (1)
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