Sebuah segitiga sama sisi memiliki sisi 20cm Tentukan keliling dan luas nya .... Question from @ParkJiminCute

ParkJiminCute @ParkJiminCute

August 2022 2 6 Report

Sebuah segitiga sama sisi memiliki sisi 20cm Tentukan keliling dan luas nya

JavierSKho13

Penjelasan dengan langkah-langkah:

BANGUN DATAR SEGİTİGA

s = 20 cm

K = 3s

K = 3 × 20

K = 60 cm

Luas = (½s)²√3

Luas = (20/2)²√3

Luas = 100√3 cm²

1 votes Thanks 1

MasaDepanmuNantiMas

Diketahui :

sisi = 20 cm

Ditanya :

keliling ... ?
luas ... ?

Jawaban :

keliling

= s + s + s

= 20 + 20 + 20

= 60 cm

luas

= ½ × a × t

= ½ × 20 × 20

= 10 × 20

= 200 cm²

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2 votes Thanks 1

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K = 60 cm

Luas = 100√3 cm²

Diketahui :

Ditanya :

Jawaban :

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