From the given figure- find the value of a amp- b respectively- 60-120-100-80-120-60-130-50-

The correct option is A 60^∘, 120^∘ ∠ a =60^∘ (Corresponding angles) ∠ b + 60^∘ = 180^∘ (Linear pair) ⇒∠ b =180^∘ 60^∘ =120^∘. ...

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Standard VI

Mathematics

Exterior Alternate Angles

From the give...

Question

From the given figure, find the value of a & b respectively.

$120^{\circ}, 60^{\circ}$

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$130^{\circ}, 50^{\circ}$

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$60^{\circ}, 120^{\circ}$

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$100^{\circ}, 80^{\circ}$

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Solution

The correct option is C
$60^{\circ}, 120^{\circ}$

$∠ a = 60^{\circ}$
(Corresponding angles)

$∠ b + 60^{\circ} = 180^{\circ}$
(Linear pair)

$\Rightarrow ∠ b = 180^{\circ} - 60^{\circ} = 120^{\circ} .$

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Question 17

In the given figure, PA|| BC|| DT and AB|| DC. Then, the values of a and b

(a) $60^{\circ}, 120^{\circ}$
(b) $50^{\circ}, 130^{\circ}$
(c) $70^{\circ}, 110^{\circ}$
(d) $80^{\circ}, 100^{\circ}$

In the given figure PA || BC || DT and AB || DC. Then, the values of a and b respectively are

A) a = 60° , b = 120°
B) a = 50° , b = 130°
C) a = 70° , b = 110°
D) a = 80° , b = 100°

In the following figure, if $∠ P = 60^{\circ}$

Find $∠ Q$ .

The following figure shows a quadrilateral with sides AB and DC parallel to each other.

If $∠ A : ∠ D = 4 : 5$

$∠ B = (3 x - 15)^{\circ} a n d$

$∠ C = (4 x + 20)^{\circ}$

Which of the following options is/are correct ?

Find the value of (x+y) from the figure below:

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From the given figure, find the value of a & b respectively.

The correct option is C 60∘, 120∘ ∠a=60∘ (Corresponding angles) ∠b+60∘=180∘ (Linear pair) ⇒∠b=180∘−60∘=120∘.

The correct option is C
$60^{\circ}, 120^{\circ}$

$∠ a = 60^{\circ}$
(Corresponding angles)

$∠ b + 60^{\circ} = 180^{\circ}$
(Linear pair)

$\Rightarrow ∠ b = 180^{\circ} - 60^{\circ} = 120^{\circ} .$