find the perimeter of a triangle having area 80 cm s.q. and length is 10 cm
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Answer:
area:-80 cm²
length:- 10 cm
perimeter:- ?
Step-by-step explanation:
first we have to find breath
hence:-
area= length x breadth
80=10 x b
therefore
b= 80/10
b=8
therefore
perimeter = 2(l + b)
= 2(10 +8)
=20+ 16
therefore
perimeter :- 36 cm
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