Question

Two sides of a triangle are 12 cm and 10 cm and it's perimeter is 38 cm. What is the measure of it's third side?
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Answer 1

Answer:

16

Step-by-step explanation:

12+10+x=38

22+x=38

x=38-22

x=16

Answer 2

Step-by-step explanation:

let x be the length of third side

perimeter of triangle= length of all three sides of triangle

38= 12+ 10+x

38= 22+x

38- 22 = x

16cm= x

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