1-2-3 Magic for Kids: Helping Your Kids Understand the New Rules

1-2-3 Magic for Kids: Helping Your Kids Understand the New Rules

Matematika bantu jawab pake cara.​

bantu jawab pake cara.​

Jawaban:

A 674 cm²

Penjelasan dengan langkah-langkah:

Dik = r = a = 20 cm

t = 18 cm

L total = 1/4 L lingkaran + L jajar genjang

= 1/4 πr² + a×t

= 1/4×3,14×20² + 20×18

= 1/4×3,14×400 + 360

= 3,14×100 + 360

= 314 + 360

= 674 cm² A

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