100 Things Every Homeowner Must Know: How to Save Money, Solve Problems and Improve Your Home

100 Things Every Homeowner Must Know: How to Save Money, Solve Problems and Improve Your Home

Matematika tolong please sekalian sama caranya nanti aku jadiin jawaban terverifikasi deh
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tolong please sekalian sama caranya nanti aku jadiin jawaban terverifikasi deh
​

Jawaban:

6

a.Kell P.panjang :

2×(p+l)

2×(26+8)

2×34

68 cm

b.L P.panjang

p×l

26×8

208 cm²

7.

a.Kell.Segitiga

a+b+c

12 + 23 + 35

= 70 cm

b.L.segitiga

1/2 × a×t

1/2 × 12 × 23

138 cm²

8.

diket : buku gambar persegi panjang

p : 20 cm. l : 9 cm

ditanya : luas?

jawab : p×l

20×9 = 180 cm²

9.

diket : kolam renang persegi panjang

p : 16cm. l : 4cm

ditanya : keliling?

jawab :

2×(p+l)

2×(16+4)

2×20

40cm

10.

diket : papan tulis persegi

sisi : 2m

ditanya : keliling?

jawab :

4×sisi

4×2

8m

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