Triangles
19 lessons · 30 questions · 12 PYQs
What the exams ask here
- triangles with integer sides perimeter 15
- max rectangle inside right triangle
- area given median and angle
- ratio of segments
- acute triangles with consecutive integer sides, perimeter <= 100 (Indore 2020 Q12)
- sides x, 21, 40 with x shortest (Indore 2022 Q19); midpoint segment DE = 6, hypotenuse 13 (Indore 2022 Q20)
- BM : AD for sides 2:4:3 (Indore 2023 Q31); AB = AC, AD = AE, angle CDE (Indore 2024 Q20)
- x/y = 2 sin(theta) with circumradius y (Indore 2025); centroid distance / side of an equilateral triangle in a circle (JIPMAT 2024 Q8, Q14)
Lessons
- Start hereThe idea and the methodFirst lesson of Triangles
- 1.Area formulas3 questions + fresh variants
- 2.Median and angle area5 questionsIndore 2024
- 3.Isosceles angle chase2 questions + fresh variantsIndore 2024
- 4.Integer sides perimeter count1 question + fresh variantsIndore 2024 SA
- 5.Acute obtuse from sides3 questions + fresh variantsIndore 2020
- 6.Triangle inequality valid side2 questions + fresh variantsIndore 2022
- 7.Similar triangles ratio1 question + fresh variants
- 8.Inscribed rectangle max area1 question + fresh variantsIndore 2024 SA
- 9.Incircle circumradius3 questions + fresh variantsIndore 2025
- 10.Angle bisector theoremNew numbers every time (templates)
- 11.Centroid distance2 questionsJIPMAT 2024
- 12.Right triangle check2 questionsJIPMAT 2024 (like)
- 13.Midpoint theorem2 questionsIndore 2022
- 14.Median length1 question + fresh variantsIndore 2023
- 15.Incentre excentre anglesNew numbers every time (templates)
- 16.Altitude on hypotenuseNew numbers every time (templates)
- 17.Crossing poles heightNew numbers every time (templates)
- 18.Angle ratio exterior angle2 questions