You would measure the length of a segment with a straightedge because it is free from curves and can help measure a segment because it is straight.
On side is 20 Bc L= 30 (L x 2)
=> 60
=> 100 - 60
=> 40 = W
=> W / 2
=>20
1 Side is 20
Hope I Helped
1583 because that’s the year that the they created that math problem
Answer:
-12
Step-by-step explanation:
-4-(5+3)
-4-(8)
-4-8
-12