3 years ago

3. The third side of a triangle measures (3x-5) cm. If the length of the midline is 14 m,

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

8 0

Answer:

D. 11

Step-by-step explanation:

Midsegment theorem:

The length of the midsegment of a triangle is half the length of it's third side.

In this question:

Third side: 3x - 5

Midsegment: 14m

$\frac{3x - 5}{2} = 14$

$3x - 5 = 28$

$3x = 33$

$x = \frac{33}{3}$

$x = 11$

The correct answer is given by option D.

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