Answer:
2Na + F2 ---> 2NaF
Step-by-step explanation:
(180(total angle measure of triangle)-50(EFG))/2(the other two angles have the same measure)=65
The angle CGE=180=CGF+EGF
180-65=CGF
115=CGF
First: 5/20
second: 6/19
5/20 x 6/19 = 30/380 = 15/190 = 3/38. The answer is B
The answer is 325, 20 + 205 + 100 = 325
area=(b1+b2)*h all divided by 2
a=(12+12+8.7)*4.9 all divided by 2
a=32.7*4.9/2
a=160.23/2
a=80.12 sq. ft.
