# Model Activity Task Class 8 Maths Solution February 2022

Model Activity Task Class 8 Maths Feb 2022 has been released by the School Education Department of West Bengal . Here you will find the answers of the Model Activity Task Class 8 Maths Feb 2022 with full answers and proper explanation .

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## Model Activity Task Class 8 Maths

Model Activity Task are very important for the students of School of West Bengal . These Model Activity Task are useful to know how much knowledge a student has acquired . Here you will get Model Activity Task Class 8 Maths Subject Solutions of the February Month .

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## Model Activity Task Class 8 Maths February 2022 Solutions

The below are the answers and explanation of each and every question of Model Activity Task Class 8 Maths Subject for the Month of February 2022.

Class-VIII
Mathematics
Full Marks : 20

Q1. Choose the correct answer
(i) The total angle at the centre of the circle is –
(a) 0º
(b) 90º
(c) 180º
(d) 360º
Answer and Explanation : Option [d] “360º″ is the Correct Answer.

(ii) When the data is expressed through a picture containing circular region then the picture is –
(a) Pictograph
(b) Single bar graph
(c) Double bar graph
(d) Pie chart
Answer and Explanation : Option [d] “Pie chart″ is the Correct Answer.

Q2. Write true / false
(i) The area of sector is proportional to the quantity of the part of the data.
Answer and Explanation : True

(ii) The central angle of the sector cannot represent the part of the data.
Answer and Explanation : False

(iii) Central angle of the sector may be negative.

Answer and Explanation : False

Q3. The given pie chart gives the marks scored in an examination by a student in
Bengali, English, Mathematics and Science. The total marks obtained by the
student were 300.

(i) The subject which has the lowest mark is
(a) Bengali
(b) Mathematics
(c) Science
(d) English
Answer and Explanation : Option [d] “English″ is the Correct Answer.
English angle is less as compared to others , So English subject has the lowest marks

(ii) Which subject has the highest marks?

Answer and Explanation :
Bengali subject has the highest marks because it has the highest angle as compared to other subjects.

(iii) What percent of the total 300 marks is obtained in mathematics?
Total Marks : 300
Marks obtained in Mathematics is to be found .
Angle of Maths in Pie chart = 360º -180º – 60º – 30º = 90º
Marks Obtained in Maths subject is —
(90 / 360 ) * 300 = 75
Marks Obtained in Maths Subject = 75 marks

Q4. (i) The marks obtained by a student in different subjects are given below –

Represent the data by a pie chart.
Total Marks = 70 +60 + 90 +80 +60 = 360
Central angle for Subject – Bengali = (70/360)*360 = 70º
Central angle for Subject – English = (60/360)*360 = 60º
Central angle for Subject – Mathematics = (90/360)*360 = 90º
Central angle for Subject – Science = (80/360)*360 = 80º
Central angle for Subject – Physical Education = (60/360)*360 = 60º

Q4. (ii) Fill in the blanks :
In a rhombus
(a) Length of all sides are ___________________ .
(b) Measurement of opposite angles are_____________________ .
(c) Generally length of diagonals are __________________.
(d) Diagonals are ______________ each other .