Question

MS AND ANGLES Solution : Answer (B) EXERCISE 6.1 Write the correct answer in each of the following I in Fig. 61, if AB II CD EF, PORS, CROD 25° and ZCQP60, then ZORS is equal lo (AJ 85 (0) 1450 ar 55 (B) 135° (D) 110 ​

Answer 1

Answer:

∠BOE = 30° and reflex ∠ COE = 250°

Explanation:

Data given :

Lines AB and CD intersect at O.

∠ AOC + ∠BOE = 70° …………….(1)

and ∠BOD = 40°…………………..(2)

Since ∠AOC = ∠BOD (vertically opposite angles)

Therefore, ∠AOC = 40° [FROM 2]

and 40° + ∠BOE = 70° [from 1]

∠BOE = 70° – 40° = 30°

Also, ∠AOC + ∠BOE + ∠COE = 180° (⸫ AOB is a  straight line)

⇒70° + ∠COE = 180° [from (1)]

⇒ ∠COE = 180° – 70° = 110°

Now, reflex ∠COE = 360° – 110° = 250°

Hence, ∠BOE = 30° and reflex ∠ COE = 250°

Answer 2

Answer:

good question

ur a good question