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Please show steps in detail thanks a lot.
一題F.1 MATH QUESTION 5 points
2015-03-09 4:38 am
回答 (2)
2015-03-09 4:54 am
2015-03-11 5:33 am
AB^2=(-1+3)^2 +(4-0)^2
AB^2=20
AB=4.472135955
BC^2=(-3+2)^2 +(0+4)^2
BC^2=17
BC=4.123105626
CD^2=(2+2)^2 +(-2+4)^2
CD^2=20
CD=4.472135955
DE^2=(3-2)^2 +(2+2)^2
DE^2=17
BC=4.123105626
AE^2=(3+1)^2 +(2-4)^2
AE^2=20
AE=4.472135955
BE^2=(-3-3)^2+(0-2)^2
BE^2=40
BE=6.32455532
BD^2=(-3-2)^2 +(0+2)^2
BD^2=29
BD=5.385164807
ABE of area =10
BED of area =11
BCD of area =9
ABCDE area=10+11+9
ABCDE area =30
AB^2=20
AB=4.472135955
BC^2=(-3+2)^2 +(0+4)^2
BC^2=17
BC=4.123105626
CD^2=(2+2)^2 +(-2+4)^2
CD^2=20
CD=4.472135955
DE^2=(3-2)^2 +(2+2)^2
DE^2=17
BC=4.123105626
AE^2=(3+1)^2 +(2-4)^2
AE^2=20
AE=4.472135955
BE^2=(-3-3)^2+(0-2)^2
BE^2=40
BE=6.32455532
BD^2=(-3-2)^2 +(0+2)^2
BD^2=29
BD=5.385164807
ABE of area =10
BED of area =11
BCD of area =9
ABCDE area=10+11+9
ABCDE area =30
收錄日期: 2021-04-15 18:27:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150308000051KK00094