Sections > Geometry > problem:

50275 - Area of 3 Shapes

Section problems

• 50036 - Area of a Triangle
• 50067 - The Number of Points in a ...
• 50082 - Area and Perimeter of diffe...
• 50117 - What quadrant is it?
• 50122 - Radius of Inscribed Circle
• 50130 - The Biggest Area
• 50153 - Max Distance
• 50208 - Area of Triangle Revised
• 50275 - Area of 3 Shapes
• 50279 - Plane Segmentation
• Открытка и конверт
• Пересечение отрезков
• Площадь пересечения
• Треугольник
• Треугольник и точка

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Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
Question by Ibrahim Mesecan.

Area of 3 Shapes

Question: Read the information for three geometrical shapes, find the one with the largest area. You will be given the radius of a circle, base and height of a triangle and the two sides of a rectangle, Find the one with the greatest area.

Input specification: The information for each shape is given in a line.

the radius of a circle (rad): an integer,
base and height of a triangle: two integers,
two sides of a rectangle: two integers

where all the numbers are between 1 and 100 thousand.

Output specification: Show one floating number with two digits precision, the area of the largest object.

Sample Input I `11 60 19 50 43`	Sample Input II `20 45 45 47 17`
Sample Output I `2,150`	Sample Output II `1,256.64`

Explanation: for the first sample:

Area of the circle is: 380.13
Area of the triangle is: 570
Area of the rectangle is: 50 * 43 = 2,150

And thus, the largest area among the objects given is 2,150

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