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harkovskaia [24]
3 years ago
15

Ms. Warren had each student take 3 pencils and create a triangle with them. Roberto has 3 pencils that measure 12 cm, 5 cm, and

7 cm. How many triangles can Roberto create with his 3 pencils?
A.infinitely many
B.two
C.one
D.none
Mathematics
2 answers:
cestrela7 [59]3 years ago
7 0

Answer:

One.

Step-by-step explanation:

The reason why is because 12-5 = 7, meaning that your lowest length has to be 7. meaning, that you can only do one triangle.

xz_007 [3.2K]3 years ago
4 0

Answer:

D. None.

Step-by-step explanation:

<em>The Triangle Inequality Theorem states the longest side must be shorter than the sum of the other 2 sides. The longest side ( 12 ) >= ( 7 plus  5 ) = 12  is too large.</em>

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