Answer:
Rational
Step-by-step explanation:
Its rational because it is a terminating decimal. Meaning that it doesn't go on and on like pie(3.14...).
Answer:
20
Step-by-step explanation:
Perimeter of rectangle= 2l+2h so 2l+2(4)=18. SO 2l=10. l=5
Area=bh
(5)(4)=20cm