Teaching Haryana HSSC JBT Teacher (JBT/PRT) Paper Mock Test 2024 Quantitative Aptitude Geometry Triangles
In a ΔABC, ∠A = x°, ∠B = y° and ∠C = (y + 20)°. If 4x - y = 10°, then the triangle is
1
Acute-angled
2
Obtuse-angled
3
Right-angled
4
Equilateral-angled
5
Question Not Attempted