Which of the following side lengths can form a triangle?
2 answers:
The sum of the length of the two sides of the triangle must be greater than the length of the third side.
A.
2 + 3 = 5 < 7 NOT
B.
21 + 23 = 43 < 44 NOT
C.
12 + 36 = 48 < 53 NOT
D.
14 + 17 = 31 > 30
14 + 31 = 45 > 17
17 + 31 = 48 > 14
CORRECT
Answer: D. 14 ft, 17 ft, and 30 ft
Okay, so my last answer was deleted because I didnt show any work.
According to the rule,
a+b>c
c+b>a
c+a>b
so...
2+3=6...6<7
21+23=44...44+44
12+36=48...48<53
14+17=31...31>30
Since answer D is the only answer that fullfills the rule a+b>c, it is the correct answer
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Answer:
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Explanation:
a - b
a = -7
b = 11
Insert -7 for 'a' and 11 for 'b'
-7 - 11
= -18
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