Areas and perimeters: answers to the exercises in 6th grade in PDF.

Formulas for areas of usual figures. Mathematics exercises in the sixth grade (6eme).

Exercise 1:

Exercise 2:

Exercise 3:

8 km=8 000 m .

7.5 m =7,500 mm

98.2 hm=98 200dm

2 m= 0.002 km

3,000 cm =0.03 km

650 000 cm = 65 hm

0.05 km = 50 m

7.25 km = 725,000 cm

7 mm = 0.000 07 hm

20 m = 2 dam

Exercise 4:

This figure is formed by two semi-circles

and two segments.

5,2×3,14+2,6×3,14+2×2,6=16,328+8,164+5,2=29,692 cm².

The perimeter of this figure is about 29.692 cm².

Answers to the exercises on perimeters and areas of figures in 6th grade.

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