Answer:
300,350,400,450
Step-by-step explanation:
the formula for any n term is:
tn=a1+(n-1)d
t1= 300+(1-1)d=300
t2= 300+(2-1)50= 350
t3= 300+(3-1)50= 400
t4= 300+(4-1)50 = 450
and so on...
Each is 147 degrees thats 1617 Total
Answer:
20 ft.
Step-by-step explanation:
7 ft and 3 ft.
3*2=6
7*2=14
6+14=20.
I think the answer is 4x^2 (x+6)