Answer:
9°
Step-by-step explanation:
Sum of the interior angles of any polygon is given = (n-2)180°
where n is the no. of sides
Sum of the interior angles= (5-2)180= 3×180°=540°
Therefore, 10p+12p+149°+148°+5p= 540°
=>27p+ 297°= 540°
=> 27p= 243°
=> p= 243°/27
=> p= 9°
