Mathematics · Geometry

The first and second angles of a triangular plot are in the ratio 4:3. The third angle is 10° less than the second angle. What is the value of the first angle?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1148°
247°
376°✓
457°

Correct answer

76°

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The first and second angles of a triangular plot are in the ratio 4:3. The third angle is 10° less than the second angle. What is the value of the first angle?

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The first and second angles of a triangular plot are in the ratio 4:3. The third angle is 10° less than the second angle. What is the value of the first angle?

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