Question

Tolong bantu kakak baikk​

Answer 1

Jawaban:

a.) Keliling = 48 dm

Luas = 119 dm²

b.) Keliling = 50 mm

Luas = 100 mm²

c.) Keliling = 66 m

Luas = 100 m²

Penjelasan dengan langkah-langkah:

a.)

« Keliling

K = 2 × (p + l)

= 2 × (17 + 7)

= 2 × 24

= 48 dm

« Luas

L = p × l

= 17 × 7

= 119 dm²

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b.)

« Keliling

K = 2 × (p + l)

= 2 × (20 + 5)

= 2 × 25

= 50 mm

« Luas

L = p × l

= 20 × 5

= 100 mm²

_______________________________

c.)

« Keliling

K = 2 × (p + l)

= 2 × (25 + 8)

= 2 × 33

= 66 m

« Luas

L = p × l

= 25 × 8

= 200 m²