Question
Download Solution PDFIn a Δ ABC, ∠B + ∠C = 110°, then find the measure of ∠A.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
∠B + ∠C = 110°
Concept used:
The sum of the interior angles of the triangle is 180°.
Calculation:
In Δ ABC
⇒ ∠ A + ∠B + ∠C = 180° (Angle sum property)
⇒ ∠ A + 110° = 180
⇒ ∠ A = 180° - 110° = 70°
∴ The correct answer is 70°.
Last updated on Jun 13, 2025
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