Posted inClass 10th math NCERT Introduction to Trigonometry Chapter–8 Introduction to Trigonometry Exercise 8.3
Posted inClass 10th math NCERT Introduction to Trigonometry Chapter–8 Introduction to Trigonometry Exercise 8.1
NCERT, Class 10, Introduction to Trigonometry, Chapter–8, Exercise-8.1 – Perfect explanation of every question
Q.1. In triangle ABC, right-angled at B, AB=24cm, BC=7cm. Determine: (i) SinA, CosA, (ii) SinC, CosC; Q.2. In the figure, find tanP – cotR.; Q.3. If sin A=3/4, calculate cos…
NCERT, Class 10, Coordinate Geometry, Chapter–7, Exercise-7.2 – Exact explanation of each question
Q.1. Find the coordinates of the point which divides the join of (–1,7) and (4, –3) in the ratio 2:3.; Q.2. Find the coordinates of the points of trisection of…
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…
NCERT, Class 10, Triangles, Chapter–6, Exercise-6.3 – To the point approach to each question with proper figure and explanation
Q. 1. State which pairs of triangles in the figures are similar. Write the similarity criterion used by you for answering the question and also write the pair of similar…
NCERT, Class 10, Triangles, Chapter–6, Exercise-6.2 – Exact approach to each question with proper figure and explanation
Q.1. In the figure (i) and (ii), DE is parallel to BC. Find: (a) EC in figure-i (b) AD in figure –ii; Q. 2. E and F are points on…
Posted inArithmetic Progressions Chapter–5 Arithmetic Progressions Exercise 5.4 Class 10th math NCERT
NCERT, Class 10, Arithmetic Progressions, Chapter–5, Exercise-5.4 – Exact explanation of each question
Q. 1. Which term of the AP: 121, 117, 113,…., is its first negative term? [Hint: Find n for an < 0]; Q. 2. The sum of the third and…
Some facts about the similarity we must know
(1) What is similarity?; (2) Different criteria of similarity of two Triangles; (3) A-A-A (Angle-Angle-Angle) criterion of similarity of two triangles; (4) S-S-S (Side- Side - Side) criterion of similarity…
NCERT, Class 10, Triangles, Chapter–6, Exercise-6.1 – Exact explanation of each question with proper figure
Q. 1. Fill in the blanks using the correct word given in the bracket: (i) All circles are ---------------. (congruent, similar), (ii) All squares are------------. (similar, congruent), (iii) All---------- triangles…