Areas, Volumes and Geometrical Figures

Problem 1. The area of the rectangle with sides 2.8 cm and 70 mm is:

9.8 sq. cm      8.8 sq. cm      10 sq. cm      9.85 sq. cm

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Problem 2. One of the sides of a triangle is 3.4 cm, and the height to this side is 4.5 cm. The area of the triangle is:

7.60 sq. cm     7.65 sq. cm     7.5 sq. cm     6.65 sq. cm   

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Problem 3. The area of a parallelogram with side a = 3.2 m and a height to this side h_a = 4.4 m is:

14.08 sq. m     13.08 sq. m     14.8 sq. m     14.18 sq. m   

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Problem 4. The area of a parallelogram with bases a = 11.2 cm, b = 3.4 cm and height h = 0.3 dm is:

21.9 sq. cm     20.9 sq. cm     21.6 sq. cm     22 sq. cm

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Problem 5. The perimeter of isosceles parallelogram is 26.8 m, its leg is 4.3 m, and the height – 3.8 m. The area of the parallelogram is:

34.98 sq. m     34.58 sq. m     35.58 sq. m     34.98 sq. m   

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Problem 6. Find the area of the figure ABCDEF (amounts are in cm):

56 sq. cm     54 sq. cm     112 sq. cm     5.6 sq. cm

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Problem 7. For the rectangular parallelepiped ABCDA₁B₁C₁D₁ ias known that its dimensions are 7.6 cm; 6.5 cm and 4 cm. The area of the surface of the parallelepiped is:

211.6 sq. cm      215.6 sq. cm      200 sq. cm      190 sq. cm    

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Problem 8. For a rectangular parallelepiped we know that its volume is 480 cub. m, a = 6 m and b = 8 m. The size of ñ is:

10 m      100 m      1 m      0.1 m

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Problem 9. Find the area of the figure MNPQR (the amounts are in m):

22.4 sq. m      34.6 sq. m      34.06 sq. m      36.4 sq. m   

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Problem 10. The area of the surface and the volume of a cube with side 0.3 m are:

0.54 sq. m and 0.027 cub. m     5.4 sq. m and 0.27 cub. m     0.54 sq. m and 0.27 cub. m     5.4 sq. m and 0.027 cub. m