anonymous
  • anonymous
Which lengths could be the sides of a triangle? A. 17 cm, 5 cm, 13 cm B. 5 cm, 17 cm, 12 cm C. 20 cm, 15 cm, 4 cm D. 15 cm, 20 cm, 3 cm
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
a
Callisto
  • Callisto
For a triangle, the sum of length of 2 sides must be greater than the other one That is, a+b >c and b+c>a and a+c>b so you should check with groups of length satisfies the above conditions. and that is the answer
anonymous
  • anonymous
a- b < c

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anonymous
  • anonymous
a+b > c and a- b < c
anonymous
  • anonymous
basic inquation triangles
anonymous
  • anonymous
pytago for triangles 90 ; question for lengths
Callisto
  • Callisto
For (A) the three sides are 17 cm, 5 cm, 13 cm 17 +5 = 22 > 13 5+13 = 18 > 17 13 + 17 = 30 > 5 So the three sides can form a triangle For(b), the three sides are 5 cm, 17 cm, 12 cm 5+17 = 22 >12 17 +12 = 29 >5 5+12 = 17 = 17 So, they cannot form a triangle For (c), the three sides are 20 cm, 15 cm, 4 cm 20 +15 = 35 >4 15 + 4 = 19 <20 So, they cannot form a triangle For (d) , the three sides are 15 cm, 20 cm, 3 cm 15 +20 = 35 >3 20 +3 = 23 >15 15 +3 = 18 < 20 So, they cannot form a triangle I hope you can understand how to get the answer...

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