Answer:
a = 72
Step-by-step explanation:
the sum of a four-sided polygon's angles equal 360°
so you can add all four angles together and set them equal to 360
a + a + a + 2a = 360
5a + 360
a = 360/5
a = 72
Answer:
B= 4.6cm
Step-by-step explanation:
A= 

Answer:
Hope it can help you.....Mark me as a brainlist...
The answer is just a=0, you have to cross out the fives