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Phoenix [80]
3 years ago
15

The length of the longest side of a triangle must be shorter than the sum of the other two sides of the triangle. true or false

Mathematics
1 answer:
hoa [83]3 years ago
8 0
This statement is true.

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Plz asap maxium points will mark brainliest
Mariana [72]

Answer:

12

Step-by-step explanation:

We know that AD=BC and that AB=CD. We also know the perimeter of the rectangle ABCD to be 54 units.

From this, we can add up the sides which will be equal to 54 units.

AD+BC+AB+CD=54

2x+2x+3x-3+3x-3=54

10x=60

x=6

Since we are trying to find the length of side BC we substitute this value back into 2x.

BC=2x =2*6=12

Therefore, the length of BC is 12 units.

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