搜狗做题网英语翻译1.The side of a large tent is in the shape of an isoscel
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英语翻译
1.The side of a large tent is in the shape of an isosceles triangle whose area is 54ft(2) and whose base is 6ft shorter than twice its height.Find the height and the base of the side of the tent.
2.A rectangle is twice as long as it is wide.If its length is increased by 4cm and its width is decreased by 3cm,the new rectangle fromed has an area of 100cm(2).Find the dimensions of the original rectangle.
3.A ball is thrown directly upward from ground level with an initial speed of 80ft/s.How high will it go?When will it return to the ground?
54ft(2)和100cm(2)中的(2)是平方的意思。
1.The side of a large tent is in the shape of an isosceles triangle whose area is 54ft(2) and whose base is 6ft shorter than twice its height.Find the height and the base of the side of the tent.
2.A rectangle is twice as long as it is wide.If its length is increased by 4cm and its width is decreased by 3cm,the new rectangle fromed has an area of 100cm(2).Find the dimensions of the original rectangle.
3.A ball is thrown directly upward from ground level with an initial speed of 80ft/s.How high will it go?When will it return to the ground?
54ft(2)和100cm(2)中的(2)是平方的意思。
1. 一个大帐篷是等边三角形,其面积是 54 平方英尺,它的底边比它高度的两倍要小 6 英尺.请问它的高和底边是多长.
2. 一个长方形的长是宽的两倍.如果它的长度增加 4 厘米,宽度减少 3 厘米,那么这个新长方形的面积是 100 平方厘米.请问原来长方形的长和宽各是多少.
3. 把一个球从地面直接向上抛.起点速度是 80 英尺/秒.请问那球能飞多高?什么时候落地?
[答案]
1.高：9 英尺,底边：12 英尺.
2.长：16 厘米,宽：8 厘米.
3.高度：107 英尺,时间 5.3 秒（注：重力和速度/高度单位要一致）.
2. 一个长方形的长是宽的两倍.如果它的长度增加 4 厘米,宽度减少 3 厘米,那么这个新长方形的面积是 100 平方厘米.请问原来长方形的长和宽各是多少.
3. 把一个球从地面直接向上抛.起点速度是 80 英尺/秒.请问那球能飞多高?什么时候落地?
[答案]
1.高：9 英尺,底边：12 英尺.
2.长：16 厘米,宽：8 厘米.
3.高度：107 英尺,时间 5.3 秒（注：重力和速度/高度单位要一致）.
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