Question

I need help with this geometry assignment.

Answer 1

Answer:

x = 5, RS = 20, RT = 1

Step-by-step explanation:

$RS=2x+10\\ST=x-4\\RT=21\\\\RS+ST=RT\\2x+10+x-4=21\\3x+6=21\\3x=15\\x=5\\\\RS=2x+10\\RS=2(5)+10\\RS=10+10\\RS=20\\\\RT=x-4\\RT=5-4\\RT=1$