Combined shapes. Mathematics State Board, Class 8: lessons, tests, tasks.

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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

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

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Training test

Difficulty: medium

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Methodical recommendation

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