Answer:
Step-by-step explanation:
AB is a midsegment.
<u>Property of the midsegment is midsegment is half the length of the parallel side of the triangle:</u>
<u>And</u>
Answer: 10x-30=90 I think 10x=90-30, 10x=60, x=60/10, x=6
Step-by-step explanation:
just search it up on the internet