In the given figure- straight lines A B and C D intersect at O- If - A O C- - B O C- and -3 - then - -a 30-b 40-c 45-d 60-

(c) 45° We have : θ+ϕ=180° nbsp; nbsp; nbsp;∵AOD nbsp;is nbsp;a nbsp;straight nbsp;line⇒3ϕ+ϕ=180° nbsp; nbsp; nbsp;∵θ=3ϕ⇒4ϕ=180°⇒ϕ=45° ...

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Linear Pair

In the given ...

Question

In the given figure, straight lines AB and CD intersect at O. If ∠AOC = ɸ, ∠BOC = θ and θ = 3ɸ, then ɸ = ?
(a) 30°
(b) 40°
(c) 45°
(d) 60°

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In the given figure, straight lines AB and CD intrsect at O. If $∠ A O C = ϕ, ∠ B O C = θ$ and $θ = 3 ϕ$ , then $ϕ = ?$

$(a) 30^{\circ}$

$(b) 40^{\circ}$

$(c) 45^{\circ}$

$(d) 60^{\circ}$

In the figure below, straight lines AB and CD intersect at O. If $∠$ AOC + $∠$ BOE = $70^{\circ}$ and $∠$ BOD = $40^{\circ}$ , find (2 $∠$ BOE).

In the figure below, lines AB and CD intersect at O. If

$∠ A O C + ∠ B O E = 70^{\circ}$ and

$∠ B O D = 40^{\circ}$ ,

find $(2 ∠ B O E)$ .

In the figure below, lines AB and CD intersect at O. If $∠$ AOC + $∠$ BOE = $70^{\circ}$ and $∠$ BOD = $40^{\circ}$ , find (3 $∠$ BOE).

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