The linear paired angles are in the ratio 5 : 7 , their measures are?
Answers
Answered by
2
Answer:
plz follow me for more great answers...
Step-by-step explanation:
AOC + ∠BOC = 180°
But ∠AOC : ∠BOC = 7 : 5
Let ∠AOC = 7x and ∠BOC = 5x
∴ 7x + 5x = 180° ⇒ 12x = 180°
⇒ x = 180°/12 = 15°
∴ ∠AOC = 7x = 7 × 15 = 105°
and ∠BOC = 5x = 5 × 15 = 75°
Similar questions