Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Triangles
In a Δ ABC, if \(\frac{1}{2}\) ∠A + ∠B + ∠C = 120°, then the value of \(\frac{1}{4}\)∠A:
1
20°
2
30°
3
60°
4
More than one of the above
5
None of the above