Q55.If a ΔABC has vertices A(–1, 7), B(–7, 1) and C(5, –5), then its orthocentre has coordinates: (1) (– 3, 3) (2) (3, −3) (3) (−35 , 53 ) (4) ( 53 , −35 )
What This Question Tests
This question tests the ability to find the orthocentre of a triangle by calculating the equations of at least two altitudes and then finding their intersection point.
Concepts Tested
Formulas Used
Slope m = (y₂-y₁)/(x₂-x₁)
Perpendicular slopes m₁m₂ = -1
Equation of line y-y₁ = m(x-x₁)
📚 NCERT Sections This Tests
5.11 — Draw All The Isomers (Geometrical And Optical) Of:
Chemistry Class 11 · Chapter 5
5.11 Draw all the isomers (geometrical and optical) of: (i) [CoCl2(en)2] + (ii) [Co(NH3)Cl(en)2] 2+ (iii) [Co(NH3)2Cl2(en)]+
5.12 — Write All The Geometrical Isomers Of [Pt(Nh3)(Br)(Cl)(Py)] And How Many Of
Chemistry Class 11 · Chapter 5
5.12 Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how many of these will exhibit optical isomers?
2.2 — A Regular Hexagon Of Side 10 Cm Has A Charge 5 Mc At Each Of Its
Physics Class 11 · Chapter 2
2.2 A regular hexagon of side 10 cm has a charge 5 mC at each of its vertices. Calculate the potential at the centre of the hexagon.
📋 Question Details
- Chapter
- Coordinate Geometry
- Topic
- Straight Lines
- Year
- 2020
- Shift
- 03 Sep Shift 2
- Q Number
- Q55
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 10: Straight Lines
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