brazil-enem 2017 Q140

brazil-enem · Other · enem__day2 Circles Area and Geometric Measurement Involving Circles

A waiter needs to choose a tray with a rectangular base to serve four glasses of sparkling wine that need to be arranged in a single row, parallel to the longer side of the tray, and with their bases completely supported on the tray. The base and upper edge of the glasses are circles with radius 4 cm and 5 cm, respectively.
The tray to be chosen should have a minimum area, in square centimeters, equal to
(A) 192.
(B) 300.
(C) 304.
(D) 320.
(E) 400.

A waiter needs to choose a tray with a rectangular base to serve four glasses of sparkling wine that need to be arranged in a single row, parallel to the longer side of the tray, and with their bases completely supported on the tray. The base and upper edge of the glasses are circles with radius 4 cm and 5 cm, respectively.

The tray to be chosen should have a minimum area, in square centimeters, equal to\\
(A) 192.\\
(B) 300.\\
(C) 304.\\
(D) 320.\\
(E) 400.

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