Answer: pay attern]dja]d
Step-by-step explanation:ad d ad ad adasd dad
Answer:
115
Step-by-step explanation: trust me twin
Answer:
a = 70°
b = 80°
Step-by-step explanation:
Angles on a straight line add up to 180°
⇒ a + 110 = 180
⇒ a = 180 - 110
⇒ a = 70°
The sum of the interior angles of a quadrilateral is 360°
⇒ a + b + 130 + 80 = 360
⇒ 70 + b + 130 + 80 = 360
⇒ b + 280 = 360
⇒ b = 360 - 280
⇒ b = 80°
Answer:
50
Step-by-step explanation:
90-40 = 50
