jika panjang pr 12 cm
tr 4cm
sq 6cm
st 10 cm
berapakah panjang pt dan ps
tr 4cm
sq 6cm
st 10 cm
berapakah panjang pt dan ps
Jawaban:
a)
PT = PR - TR
PT = 12 cm - 4 cm
PT = 8 cm
b)
PS / PQ = PT / PR
PS / (PS + 6) = 8 / 12
8 (PS + 6) = 12 PS
8PS + 48 = 12PS
8PS - 12PS = -48
-4PS = -48
PS = -48/-4
PS = 12 cm
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