题目

英语翻译
it is given that the scale of the floor plan of a flat is 1 cm to 0.8 m
(a)Express the scale of the floor plan in the form of 1:n
(b)on the floor plan,the dimensions of the rectangular bedroom are 3cm*2.5com .Find its actual area

提问时间：2020-08-02

答案

it is given that the scale of the floor plan of a flat is 1 cm to 0.8 m
一所公寓的平面图已给出的比例为一厘米比0.8公尺
(a)Express the scale of the floor plan in the form of 1:n
请表达平面图实际比例是 1 比 多少?(答案 是 1 :80)
(b)on the floor plan,the dimensions of the rectangular bedroom are 3cm*2.5com .Find its actual area
在平面图上,一间长方形的房子为 3厘米 X 2.5 厘米.请找出它的实际面积.
答案:(3 X 0.8)X(2.5 X 0.8)= 2.4X2= 4.8 平方公尺