MCQ. PLZ TELL ME THE ANSWER
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Answered by
2
Answer:
9
Step-by-step explanation:
(13+14+x)/2=18
27+x=36
x=9
Answered by
0
Answer:
9
Step-by-step explanation:
let the side be x
semi perimeter = sum of all 3 sides/2
18=13+14+x/2
18=27+x/2
36=27+x
x=36-27
x=9
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