Question
Download Solution PDFIn Δ ABC, ∠B = 135°, AB = 10√2 cm and BC = 14 cm. What is the length of AC?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
In Δ ABC, ∠B = 135°, AB = 10√2 cm and BC = 14 cm.
Formula used:
Using the Cosine Rule:
Calculations:
Let AB = c = 10√2 cm, BC = a = 14 cm, and AC = b.
∠B = 135°
Using the Cosine Rule:
⇒
⇒
⇒
⇒
⇒
∴ The correct answer is option (3).
Last updated on Apr 24, 2025
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