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

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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