If a - 1 - -3- b-2 and c-2 - then the measure of -B i

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Standard XII

Mathematics

Higher Order Derivatives

if a = 1 + √(...

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if a = 1 + \sqrt3 b=2 and c=\sqrt{2 } then the measure of \angle B i

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Question 35

In the given figure PQ|| RS. If $∠ 1 = (2 a + b)^{\circ} a n d ∠ 6 = (3 a - b)^{\circ}$ , then the measure of $∠ 2$ in terms of b is

(a) $(2 + b)^{\circ}$
(b) $3 - b)^{\circ}$
(c) $(108 - b)^{\circ}$
(d) $(180 - b)^{\circ}$

Question 35

Q. In a ∆ABC, if c² + a² – b² = ac, then the measure of angle B is ____________.

Q. In ∆ABC, if 2∠A = 3∠B = 6∠C, calculate the measure of ∠B.

Q. Let the area of triangle ABC be

(\sqrt{3} - 1) / 2, b = 2,

and

c = (\sqrt{3} - 1),

and

∠ A

be acute. Then measure of the angle

A

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