Answer:
10 sides,that is, a decagon or 10gon
Step-by-step explanation:
If the exterior angle is 36° then numbers of sides=

Therefore
n=360°÷36°=10
24+14 = 3a + 4a +2a
38 = 9a
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Hope it is helpful.
Answer:
11) x = 21
12) x = 110
13) x = 85
14) x = 137
Step-by-step explanation:
Hope it helped <3
Answer:
x = -7 - 17/20 or -157/20
Step-by-step explanation:
2x/3 - 3.2 = -8.1
2x - 9.6 = -24.3
20x - 96 = -243
20x = -157
x = -157/20
x = -7 - 17/20