luas layang-layang abcd 360 cm kuadrat dan panjang diagonal AC = 20 cm maka panjang diagonal BD adalah..cm a.40 b.36 c.18 d.16

Question

Matematika Diposting : 2017-05-08 Diupdate : 2022-06-23 Dwiayukirani

Pertanyaan

luas layang-layang abcd 360 cm kuadrat dan panjang diagonal AC = 20 cm maka panjang diagonal BD adalah..cm
a.40
b.36
c.18
d.16

Answer 1

luas layang=d1 x d2/2
360 cm. =AC x BD/2
360 cm =20 x BD/2
BD=360 x 2/20
BD=18 x 2
BD=b.36

Answer 2

jawab. b 36

360 = 20 . BD / 2
36 = BD