这英语数学题做不来The sides of a rectangle are estimated at 4.5cm and

Two sides of a triangle are 5cm and 9cm long.The ratio of th two sides of a triangle have lengths 28.2cm and 18.8cm,the a A rectangle is 6 cm long.If the perimeter of the rectangle i Given in the△ABC,a,b,c are three sides of the triangle,and 3 初三英语On _____ sides of the street are a lot of colorful flowe the width of a rectangle is 7 cm shorter than the length .if the length of a rectangle 什么意思 If the perimeter of a rectangle is 40cm ang its length is x 英语的单选1` there are a lot of trees on ____ sides of the street 2道英语题（加分）1.The three sides of a triangle are of lengths 1,m, The area of a rectangle is 24 cm2(平方厘米） and the perimeter is A rectangle has the following sides.One side must have an od