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 .

## 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 .

Model Activity Task Class | Class 8 |

Model Activity Task Subject | 8 Maths |

Time Period | February 2022 |

Language | English |

Download Questions pdf (Answer is provided below this table ) | CLICK HERE |

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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.

**Model Activity TaskClass-VIIIMathematicsFull 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.

(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 inBengali, English, Mathematics and Science. The total marks obtained by thestudent 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? ****Answer and Explanation**

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 –**

Subjects | Bengali | English | Mathematics | Science | Physical Education |

Marks | 70 | 60 | 90 | 80 | 60 |

**Represent the data by a pie chart.****Answer and Explanation**

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 .**Answer and Explanation**

In a rhombus

(a) Length of all sides are **Equal ** .

b) Measurement of opposite angles are **Equal** .

(c) Generally length of diagonals are **Unequal**.

(d) Diagonals are** bisect **each other .