Advertisement Remove all ads

What Value of Y Would Make Aob a Line in Below Fig, If ∠Aoc = 4y and ∠Boc = (6y + 30) - Mathematics

Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads

What value of y would make AOB a line in below fig, if ∠AOC = 4y and ∠BOC = (6y +
30)

Advertisement Remove all ads

Solution

Since `∠`AOC, `∠`BOC are linear pair

⇒ `∠`AOC + `∠`BOC = 180°

⇒ 6 y + 30 + 4 y = 180°

 10 y + 30 = 180°

 ⇒ 10 y = 180° - 30°

 10 y = 150°

⇒ y = `(150°)/10`

⇒ y = 15°

Concept: Pairs of Angles
  Is there an error in this question or solution?

APPEARS IN

RD Sharma Mathematics for Class 9
Chapter 10 Lines and Angles
Exercise 10.2 | Q 13 | Page 15

Video TutorialsVIEW ALL [1]

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×