Answer:
131°
Explanation:
to find the total degrees of this polygon, we use the equation
=> n - 2 × 180° (n= number of sides)
5 - 2 × 180° = 540°
now by using angle sum property,
540° = 80° + 148° + 81° + 100° +
°
540° = 409° +
°
° = 540° - 409°
° = 131°