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Leviafan [203]
3 years ago
8

What is the area of triangle LMN? Round to the nearest square meter.

Mathematics
2 answers:
kolezko [41]3 years ago
7 0
<span>The answer is 9 square meters.</span>
Over [174]3 years ago
5 0
Here I think the given data was LM=7,MN=6 and perimeter was given by 16m 
As we know perimeter is the sum of all the sides  
so Perimeter=LM+MN+NL 
NL=Perimeter-(LM+MN) 
NL=16-7-6 
NL=3 
By Heron's formula 
Area=sqrt(s(s-a)(s-b)(s-c)).  
where s=perimeter/2 
so s=16/2=8 
area=sqrt(8(8-7)(8-6)(8-3)) 
area=8.94427191 
after rounding off 
area=9
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