4 years ago

Please do 13 ive been trying for 3 hour pls solve x

Mathematics

1 answer:

Zepler [3.9K]4 years ago

5 0

Answer:

Step-by-step explanation:

We should know that:

A straight segment joining the middle of two sides in a triangle is parallel to the third side and equal to half of it.

So,

3x + 1 = (1/2) * 20 = 10

3x = 10 - 1 = 9

x = 9/3 = 3

<u>So, the value of x = 3</u>

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