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  • Subjects
  • Mathematics State Board
  • Class 8
  • Measurements

Combined shapes

Theory

1. Recall the concept of a square
2. Conditions where the quadrilateral becomes square
3. Area, perimeter and diagonal of a square
4. Recall about a rectangle
5. Area, perimeter, and diagonals of a rectangle
6. Recall the concept of the triangle
7. Remember about the type of triangle
8. Recall the concept of a parallelogram
9. Area and its perimeter of a parallelogram
10. Recall the concept of a trapezium
11. Area of trapezium with its derivation
12. Recall the concept of the circle and its parts
13. Area of the sector of a circle
14. Recall the concept of the circumference and arc length
15. Perimeter of sector, semicircle and quadrant circle

Exercises

1. Determine the area of a combined shapes

Difficulty: easy

3
2. Find the area of the given combined shape

Difficulty: easy

3
3. Find the perimeter of a combined shape

Difficulty: easy

3
4. Area of the door

Difficulty: medium

3
5. Find the area of the key chain

Difficulty: medium

3
6. Find the area of the chessboard

Difficulty: medium

3
7. Find the total earning

Difficulty: medium

3
8. Find the area of a block letter 'H'

Difficulty: hard

4
9. Find the enclosed area

Difficulty: hard

4
10. Compare area of the rectangle and triangle

Difficulty: hard

4

Tests

1. Training test

Difficulty: medium

3

Teacher content

1. Methodical recommendation

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