RUANG: LUAS

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•

Mathematics

•

10th - 12th Grade

•

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AHMAD Moe

Used 23+ times

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8 Slides • 9 Questions

RUANG: LUAS

APA ITU LUAS

1. Luas bermaksud besarnya seuatu permukaan

2. lebih besar permukaan, lebih luas permukaan objek tersebut

Objektif hari ini

terdapat pelbagai bentuk permukaan seperti (bulat, bujur, segi empat, segi tiga)
tetapi dalam matematik, kita hanya fokus luas permukaan bentuk (segi empat dan segi tiga)

1) luas bentuk segi empat

2) luas bentuk segi tiga

Rumus luas segi empat

Luas

= 4cm x 4cm

= 16cm²

Sila Salin di buku nota!

Rumus luas segi tiga

Luas

= $\frac{1}{2}$ x 6cm x 4cm

= 12cm2

Sila Salin di buku nota!

Latihan

Multiple Choice

Apakah maksud luas?

Jarak antara dua titik

Besarnya sesuatu permukaan

Kuantiti jirim dalam sesuatu objek

berat sesuatu ruang

Multiple Choice

Berapakah luas permukaan kad ini?

15cm²

20cm²

25cm²

30cm²

Multiple Choice

Cari luas bentuk di bawah.

18cm²

10cm²

7cmcm²

28cm²

Multiple Choice

Hitung luas segiempat tersebut.

11cm²

5cm²

16cm²

55cm²

Multiple Choice

Kira luas rajah

4cm²

8cm²

16cm²

20cm²

Multiple Choice

Cari luas bagi segi tiga bersudut tegak ini.

4cm²

8cm²

16cm²

32cm²

Multiple Choice

Kira luas bagi rajah berikut

6cm²

8cm²

24cm²

48cm²

Fill in the Blanks

Cari luas segi empat sama tersebut.

Type answer...

Fill in the Blanks

Kira luas rajah.

Type answer...

RUANG: LUAS

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