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help guys math plssssss(つ≧▽≦)つ(つ≧▽≦)つ​

Help Guys Math Plssssssつつつつ class=

Sagot :

Answer:

1. 10

2. 6.5

3. 20

4. 5= ½ (x+1)

x=9

5. 31 = ½ (2x)

x = 31

Step-by-step explanation:

USE THE MIDLINE THEOREM

The midline theorem claims that cutting along the midline of a triangle creates a segment that is parallel to the base and half as long.