20 units
Perimeter =add up all sides.
Perimeter = 5+1+5+9
=20 units
Answer: 3f
Step-by-step explanation:
The mean will be 5 points higher...so...c would be the answer!
Answer:
false i think? and true
Step-by-step explanation:
Answer:
straight angle
Step-by-step explanation:
A<em> straight angle</em> is one whose measure is 180°. Its formative rays point in opposite directions from the vertex and make a straight line.