The length of two sides of a triangle are 12cm and 15em. if the perimeter of the
triangle is 38 cm. Find the length of it third side.
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Answer:
11cm
Step-by-step explanation:
number number of sides in a triangle=3
perimeter perimeter of the triangle=38cm
length of first side =12cm
length of second side =15 CM
let the length of third side be x
according to question
38cm= 12cm+15cm+x
38cm=27cm+x
x=38cm-27cm
x=11cm
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