Posted inClass 9th math NCERT
NCERT, Class 9, Lines and Angles , Chapter–6, Exercise-6.1– Important questions
Q. 1. In the figure, lines AB and CD intersect at O. If angle AOC + angle BOE = 70 degree and angle BOD = 40 degree, find angle BOE…
NCERT, Class 10, Coordinate Geometry, Chapter–7, Exercise-7.1 – Proper explanation of each question
Q. 1. Find the distance between the following pairs of points: (i) (2,3), (4,1), (ii) (–5,7), (–1,3), (iii) (a, b), (–a, –b); Q. 2. Find the distance between the points…
Some facts about angles, triangles, congruency and similarity- we must know
(1) Definition of triangle; (2) How to write an angle; (3) Types of angles; (4) What is an Acute Angle?; (5) What is an Obtuse Angle?; (6) What is a…