Question line- then a is equal toa 35-b 100-c 80-d 135-

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Angles on a Straight Line

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Question 31

In the given figure, POQ is a line, then a is equal to

(a) $35^{\circ}$
(b) $100^{\circ}$
(c) $80^{\circ}$
(d) $135^{\circ}$

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Question 31

In the given figure, POQ is a line, then a is equal to

(a) $35^{\circ}$
(b) $100^{\circ}$
(c) $80^{\circ}$
(d) $135^{\circ}$

Δ A B C

∠ B = 80^{\circ}

∠ A

80^{\circ}

40^{\circ}

50^{\circ}

100^{\circ}

Question 40

In $Δ A B C$ , $∠ A = 100^{\circ}$ , AD bisects $∠ A$ and $A D ⊥ B C$ . Then, $∠ B$ is equal to

a) $80^{\circ}$
b) $20^{\circ}$
c) $40^{\circ}$
d) $30^{\circ}$

Question 17

In $Δ P Q R$ , if PQ = QR and $∠ Q = 100^{\circ}$ , then $∠ R$ is equal to

a) $40^{\circ}$
b) $80^{\circ}$
c) $120^{\circ}$
d) $50^{\circ}$

∠ P - ∠ R

60^{\circ}

90^{\circ}

80^{\circ}

0^{\circ}

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