3 years ago

Please dont steal I just need a bit of help here I would really appreciate it I will give brainless

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

6 0

Answer:

Step-by-step explanation:

I gave you the answer earlier too!

for more info !

<h2>there s a theorem called MIDPOINT THEOREM </h2>

Which means the 3rd side of the triangle is equal to 1/2 of the line drawn by joining the mid points

which means

2x-4 = 1/2×21

thus, 2(2x-4) =21

=> 4x-8 = 21

4x = 29

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