Answer:
Step-by-step explanation:
= 59
5 - 2 * 3 + 6 (3² + 1)
= 5 - 2 * 3 + 6 * 10
= 5 - 6 + 6 * 10
= 5 - 6 + 60
First simplify the quadratic present
⇒
the area sector is 123.2