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如图,△ABO是由△A'B'O经过位似变换得到的,若点P'(m,n)在△A'B'O上,则点P'经过位似变换后的对应点P的坐标为( )A.(2m,n) B.(m,n) C.(m,2n) D.(2m,...
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如图△DEF是由△ABC经过位似变换得到的点O.是位似中心D.E.F.分别是OAOBOC的中点则△D
如图△ABC经过位似变换得到△DEF点O是位似中心且OA=AD则△ABC与△DEF的面积比是
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如图2正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若AB:FG=2:3则下列结论正确的
2DE=3MN,
3DE=2MN,
3∠A.=2∠F
2∠A.=3∠F.
如图△A'B'C'是△ABC以点O为位似中心经过位似变换得到的若△A'B'C'的面积与△ABC的面积
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如图三角形ADC是由等腰直角三角形EOG经过位似变换得到的变换中心在x轴的正半轴已知EO=1D点坐
如图△A'B'C'是△ABC在点O为位似中心经过位似变换得到的若△A'B'C'的面积与△ABC的面积
2:3
3:2
4:5
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如图△DEF是由△ABC经过位似变换得到的点O.是位似中心D.E.F.分别是OAOBOC的中点则△D
如图2739△DEF是由△ABC经过位似变换得到的点O.是位似中心D.E.F.分别是OAOBOC
1∶2
1∶4
1∶5
1∶6
如图△DEF是由△ABC经过位似变换得到的点O.是位似中心D.E.F.分别是OAOBOC的中点则△D
如图所示正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若ABFG=23则下列结论正确的是
2DE=3MN
3DE=2MN
3∠A=2∠F
2∠A=3∠F
如下图△ABC经过位似变换得到△DEF点O.是位似中心且OA=AD则△ABC与△DEF的面积比是
1:6
1:5
1:4
1:2
如图△ACC’是由△ABB’经过位似变换得到的1求出△ACC’与△ABB’的相似比并指出它们的位似中
如图正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若ABFG=23则下列结论正确的是
2DE=3MN
3DE=2MN
3∠A=2∠F
2∠A=3∠F
如图△DEF是△ABC经过位似变换得到的点O是位似中心.若△DEF的面积为3则△ABC的面积为.
如图在直角坐标系中正方形EFOH是正方形ABCD经过位似变换得到的对角线OE=4则位似中心的坐标是
如图2正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若AB∶FG=2∶3则下列结论正确的
2DE=3MN
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3∠A.=2∠F.
2∠A.=3∠F.
如图所示正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若ABFG=23则下列结论正确的是
2DE=3MN
3DE=2MN
3∠A=2∠F
2∠A=3∠F
如图△DEF是由△ABC经过位似变换得到的点O.是位似中心D.E.F.分别是OAOBOC的中点则△D
如图正五边形FGHMN是由正五边形ABCDE经过位似变换得到的若ABFG=23则下列结论正确的是
2DE=3MN
3DE=2MN
3∠A=2∠F
2∠A=3∠F
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