Job Recruitment Website - Property management company - A residential property needs to build a circular flower bed in front of the activity room of the residential area. It is known that the perimeter of the flower bed is 37.68 meters. (1) The area of thi
A residential property needs to build a circular flower bed in front of the activity room of the residential area. It is known that the perimeter of the flower bed is 37.68 meters. (1) The area of thi
A residential property needs to build a circular flower bed in front of the activity room of the residential area. It is known that the perimeter of the flower bed is 37.68 meters. (1) The area of this circular flower bed is _ _ _ _.
(1)37.68÷3. 14÷2=6 (meters),
3.14× 62 = 3.14× 36 =113.04 (square meter);
A: The area of this circular flower bed is 1 13.04 square meters.
(2)6 meters =600 cm, and the distance on the flower bed radius map is: 600× 1400= 1.5 (cm).
Answer: The radius of this flower bed on the map is 1.5 cm.
Thus, the plan of this circular flower bed is drawn with O point as the center and 1.5cm as the radius, as shown in the figure:
So the answer is: (1)113.04; (2) 1.5.
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