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Calcul de Divreses Mesures des Trapèzes (A)

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Mesures de Trap`eze (A)

Calculez les mesures manquantes pour chaque trap`

eze.

1.

8 ,9 km 31 ,5km

?

28,8km

?

P =

86,1 km A = 359,91 km2

2.

?

?

10 cm 12,4 cm 11,2 cm

P =

40,5 cm A = 90,16 cm2

3.

9 nm 14,8nm

?

14,4 nm

P = ?

A =

122,4 nm2

4.

?

20 ,4 km 4,8 km

?

19 ,8 km

P =

57,7 km A = 161,37 km2

5.

4 ,2 mm 21,6mm 14 mm 21,6 mm 19,8 mm

P = ?

A = ?

6.

?

31,2cm 15 ,3 cm 30,4cm 29,6 cm

P =

95,4 cm A = ?

MathsLibres.com

(2)

Mesures de Trap`eze (A) R´eponses

Calculez les mesures manquantes pour chaque trap`

eze.

1.

8 ,9 km 31 ,5km 16 ,9 km 28,8km 27,9 km

P =

86,1 km A = 359,91 km2

2.

6 ,1 cm 12cm 10 cm 12,4 cm 11,2 cm

P =

40,5 cm A = 90,16 cm2

3.

9 nm 14,8nm 8 nm 14,4 nm

P =

46,2 nm

A =

122,4 nm2

4.

11,5 km 20 ,4 km 4,8 km 21 km 19 ,8 km

P =

57,7 km A = 161,37 km2

5.

4 ,2 mm 21,6mm 14 mm 21,6 mm 19,8 mm

P =

61,4 mm

A =

180,18 mm2

6.

18 ,5 cm 31,2cm 15 ,3 cm 30,4cm 29,6 cm

P =

95,4 cm A =500,24 cm2

MathsLibres.com

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