Diketahui :
SR = 10cm
PS = 17cm
RP = d1 = 6 + 15 = 21cm
Ditanya : Luas layang-layang?
Dijawab :
1/2d2 = √10² − 6²
= √100 − 36
= √64 = 8cm
d2 = 2 x 8cm = 16cm
Luas layang-layang = 1/2 x d1 x d2
= 1/2 x 21 x 16
= 168cm² (D)
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Verified answer
Diketahui :
SR = 10cm
PS = 17cm
RP = d1 = 6 + 15 = 21cm
Ditanya : Luas layang-layang?
Dijawab :
1/2d2 = √10² − 6²
= √100 − 36
= √64 = 8cm
d2 = 2 x 8cm = 16cm
Luas layang-layang = 1/2 x d1 x d2
= 1/2 x 21 x 16
= 168cm² (D)