Chapter 5 Data Handling NCERT Class 8th Solution of Exercise 5.1 NCERT Class 8th Solution of Exercise 5.3 EXERCISE 5.2 1. A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey. From this pie chart answer the following: i) If 20 people liked classical music, how many young people were surveyed? ii) Which type of music is liked by the maximum number of people? iii) If a cassette company were to make 1000 CDs, how many of each type would they make?

Chapter 5 Data Handling NCERT Class 8th Solution of Exercise 5.2 NCERT Class 8th Solution of Exercise 5.3 EXERCISE 5.1 1. For which of these would you use a histogram to show the data? (a) The number of letters for different areas in a postman's bag (b) The height of competitors in an athletics meet (c) The number of cassettes produced by 5 companies. (d) The number of passengers boarding trains from 7:00 am to 7:00pm. at a station. Give reasons for each. `text{Answer:}` `text{b), d), use a histogram to show the data.}` `text{Because in all these cases data can be divided into class intervals.}`

Chapter 4 Practical Geometry NCERT Class 8th Solution of Exercise 4.1 NCERT Class 8th Solution of Exercise 4.2 NCERT Class 8th Solution of Exercise 4.3 NCERT Class 8th Solution of Exercise 4.4 EXERCISE 4.5 Draw the following. 1. The square READ with RE=5.1 cm. 2. A rhombus whose diagonals are 5.2 cm and 6.4 cm long. 3. A rectangle with adjacent sides of lengths 5 cm and 4 cm. 4. A parallelogram OKAY where OK = 5.5 cm and KA=4.2 cm. Is it unique?

Chapter 4 Practical Geometry NCERT Class 8th Solution of Exercise 4.1 NCERT Class 8th Solution of Exercise 4.2 NCERT Class 8th Solution of Exercise 4.3 NCERT Class 8th Solution of Exercise 4.5 EXERCISE 4.4 Q1. Construct the following quadrilaterals. i) Quadrilateral DEAR DE=4cm EA=5cm AR=4.5cm ∠E=60° ∠A=90° ii) Quadrilateral TRUE TR=3.5 cm RU=3cm UE=4cm ∠U=120° ∠R=75°

Chapter 4 Practical Geometry NCERT Class 8th Solution of Exercise 4.1 NCERT Class 8th Solution of Exercise 4.2 NCERT Class 8th Solution of Exercise 4.4 NCERT Class 8th Solution of Exercise 4.5 EXERCISE 4.3 Q1. Construct the following quadrilaterals. i) Quadrilateral MORE MO=6cm OR=4.5 cm ZM=60° ZO=105° ZR=105° ii) Quadrilateral PLAN PL=4 cm LA=6.5 cm ZP=90° ZA=110° ZN = 85° iii) Parallelogram HEAR HE=5cm EA=6cm ZR=85° (iv) Rectangle OKAY OK = 7 cm KA=5 cm

Chapter 4 Practical Geometry NCERT Class 8th Solution of Exercise 4.1 NCERT Class 8th Solution of Exercise 4.3 NCERT Class 8th Solution of Exercise 4.4 NCERT Class 8th Solution of Exercise 4.5 EXERCISE 4.2 Q1. Construct the following quadrilaterals. i) quadrilateral LIFT LI=4 cm IF=3 cm TL=2.5 cm LF 4.5 cm IT=4 cm ii) Quadrilateral GOLD OL=7.5 cm GL=6cm GD=6 cm LD=5 cm OD = 10 cm iii) Rhombus BEND BN=5.6 cm DE=6.5 cm

Chapter 4 Practical Geometry NCERT Class 8th Solution of Exercise 4.2 NCERT Class 8th Solution of Exercise 4.3 NCERT Class 8th Solution of Exercise 4.4 NCERT Class 8th Solution of Exercise 4.5 EXERCISE 4.1 Q1. Construct the following quadrilaterals. i) Quadrilateral ABCD. AD=6cm AB=4.5 cm BC=5.5 cm CD=4 cm AC=7 cm ii) Quadrilateral JUMP JU=3.5 cm UM=4 cm PJ = 4.5 cm PU=6.5 cm iii) Parallelogram MORE OR=6 cm RE=4.5 cm EO=7.5 cm iv) Rhombus BEST BE=4.5 cm ET=6 cm

Chapter 9  Some Applications of Trigonometry Subscribe   to Quiz10 for Important MCQs   NCERT Class 10th Maths Projects NCERT Class 10th solution of Exercise 8.1 NCERT Class 10th solution of Exercise 10.1 8th,   9th,   Exercise 9.1 Q1. A circus artist is climbing a `20m` long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the rope with the ground level is `30^circ`(see Figure). `text{Sol.}` `text{Let the height of the pole is h.}` `text{In right }triangle text{ABC}` `text{sin }30^circ=text{AB}/text{BC}` `1/2=text{h}/20` `text{h }=20/2` `text{h = 10 m}` `text{Answer:}` `text{The height of the pole is 10 m.}`