Answer:
I think its 8a because in a regular octagon we have 8 sides.
Answer:
Step-by-step explanation:
3.2 times 1.5 plus 6 times4.2= 30 meters of carpet.
Answer:
7.1
Step-by-step explanation:
write pythagorean theorem
+
= 
2
= 100
divide 2 both side:
= 50
= 
= 
= 7.07106781
round to nearest tenth:
= 7.1