I need to find the measure of angle A. Please help I do not know how to do this. Any tips will be appreciated :))

a= 52

Step-by-step explanation:

82 + (x+60) + (x+54) = 180

82 + 2x + 114 = 180

2x + 196 = 180

2x = -16

x = -8

plug in -8 in x +60

-8 + 60 = 52

a = 52

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

i believe the answer is the polygon, heptagon.