SOLUTION: find the perimeter for these two triangles: the L=12 the B=21 the second one's L=3 and the B=8

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Question 176290: find the perimeter for these two triangles:
the L=12 the B=21 the second one's L=3 and the B=8
Answer by MathTherapy(10858) About Me  (Show Source):
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The triangle with sides L = 12 & B = 21 has a 3rd side that is greater than 9 but less than 33. This means that the perimeter of this triangle is between 42 and 66. This concept should then be used to find the range of possible perimeter values for the 2nd triangle.