Question
Download Solution PDFIf any ΔABC , ∠C = 75°, ∠B = 45° and a = √3, then find the value of b.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Concept:
In triangle ABC, According to the Sine rule
Where, a, b, c are sides and A, B, C are angles of triangle.
Sum of the angle in triangle is 180°
Calculation:
Given: ∠C = 75°, ∠B = 45° and a = √3
∠A + ∠B + ∠C = 180°
⇒ ∠A = 180° - 75° - 45°
⇒ ∠A = 60°
Sine rule
⇒
⇒
⇒
⇒ b = √2
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