Two sides of a triangle are 4 meters and 12 meters long . Which of the following is not a possible length of the third side?

Mathematics

2 answers:

natulia [17]2 years ago

7 0

Answer:

it is D

Step-by-step explanation:

antiseptic1488 [7]2 years ago

5 0

Answer:

A: 8 meters

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.

Since if we add the side of 4 and 8 it equals to 12, which is not greater than 12, meaning this would be a line if you tried to draw it, leading to the conclusion that A is not possible

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lina2011 [118]

Answer:

I usually explain even in the answer.

So we use som $\sqrt{x}$ ething called distance formula which is branched of Pythagorean theorem.

But we dont need to as it just makes it more complicated. We need to find split into 2 vectors, one vertical, and horizontal. The horizontal is 5 long.

The vertical is 1, you can find them by calculating how long is it and how tall.

Use pythogorean theorem from the formula and do 5^2+1^2 = c^2

25+1 = 26, so the answer is √26

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arsen [322]

Answer:

Step-by-step explanation:

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