Thermas Housewares Co. Ltd is one of the...

Thermas Housewares Co. Ltd is one of the leading brands in the field of vacuum flask. They are producing a new high-quality heat preservation flask series and the below figure shows the cross - section of the interior part of a new concept thermos flask.
The top part is a trapezium, the middle part is a rectangle and the bottom part is a semi-circle

The dimension of various parts are:
CE = 20 cm, BC = 25 cm, AB = GF = 13 cm, AG = 10 cm and AN = 12 cm
The perimeter of the rectangular part of the cross section, is

90 cm

70 cm

50 cm

40 cm

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Thermas Housewares Co. Ltd is one of the leading brands in the field of vacuum flask. They are producing a new high-quality heat preservation flask series and the below figure shows the cross - section of the interior part of a new concept thermos flask. The top part is a trapezium, the middle part is a rectangle and the bottom part is a semi-circle The dimension of various parts are: CE = 20 cm, BC = 25 cm, AB = GF = 13 cm, AG = 10 cm and AN = 12 cm The perimeter of the trapezium part of the cross section, is

The dimension of various parts are: CE = 20 cm, BC = 25 cm, AB = GF = 13 cm, AG = 10 cm and AN = 12 cm The perimeter of the semi-circular part of the cross section, is

The figure shows the cross-section of the interior of thermos flask . The top part is a trapezium , the middle part is a rectangle and the bottom part is a semicircle if CE = 20 cm , BC = 25 cm , AB = GF = 13 cm , AG = 10 cm and AN = 12 cm , the find : The perimeter of the cross-section

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In the below figure, one part of the line of symmetrcy is given. Recongnise the second part.

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