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Answer:
perimeter = 15+17+8=40cm
Answered by
0
Answer:
perimeter=40 cm
area=60 cm^2
Step-by-step explanation:
let a=8 cm
b=15 cm
c=1 cm
perimeter=8+15+17
=40 cm
again,
semi-perimeter=perimeter/2
=20 cm
Area=√s(s-a) (s-b) (s-c)
=√20(20-8) (20-15) (20-17)
=60 cm^2
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