tolong bro no 2..................
Matematika
alvandaru
Pertanyaan
tolong bro no 2..................
2 Jawaban
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1. Jawaban nucha7790ozi987
k=2(p+l)
44= 2{(3x-5)+(x+3)}
44=2{4x-2}
44= 8x-4
8x=48
x=6
panjang= (3x-5)= 3.6 -5 =13 cm
lebar =(x+3)=6+3 =9 cm
luas=pxl
=13x9= 117 cm² -
2. Jawaban alfvvi
[tex]k = 2 \times (p + l) \\ 44 = 2 \times (3x - 5 + x + 3) \\ 44 = 2 \times (4x - 2) \\ 44 = 8x - 4 \\ 44 + 4 = 8x \\ 48 = 8x \\ \\ 6 = x \\ \\ l = p \times l \\ = (3x - 5) \times ( x + 3) \\ = (3 \times 6 - 5) \times(6 + 3) \\ = 13 \times 9 \\ = 117 {m}^{2} [/tex]
jadi luas taman trsebut adalah 117 cm2 Yaituu C
smoga membantuu:D