If perimeter of triangle is 42cm and two sides of 16 cm and9 cm, then third side will be
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0
Answer:
perimeter of triangle = sum of three side
let 3rd side = x
perimeter = 16 + 9 + x
42 = 25 + x
x = 42 - 25
= 17
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Answered by
1
Answer:
17 cm.
Step-by-step explanation:
42 = sides of the triangle
42 = 16 + 9 + x
42 = 25 + x
42 - 25 = x
17 = x
17 cm.
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