Jawaban:
Tinggi segitiga siku-siku =
√29² - 20²
√841 - 400
√441=21
Volume = Luas alas dikali tinggi
=(1/2 x 20 x 21) x40
=210 x 40
=8400 (a)
a
Penjelasan dengan langkah-langkah:
ac = 15 cm
ab = 9 cm
fc = 20 cm
• cari panjang bc
= √(ac² - ab²)
= √(15² - 9²)
= √(225 - 81)
= √144
= 12 cm
• volume
= La x t
= (a x t : 2) x t
= (9 x 12 : 2) x 20
= 54 x 20
= 1.080 cm³
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Jawaban:
Tinggi segitiga siku-siku =
√29² - 20²
√841 - 400
√441=21
Volume = Luas alas dikali tinggi
=(1/2 x 20 x 21) x40
=210 x 40
=8400 (a)
Verified answer
Jawaban:
a
Penjelasan dengan langkah-langkah:
ac = 15 cm
ab = 9 cm
fc = 20 cm
• cari panjang bc
= √(ac² - ab²)
= √(15² - 9²)
= √(225 - 81)
= √144
= 12 cm
• volume
= La x t
= (a x t : 2) x t
= (9 x 12 : 2) x 20
= 54 x 20
= 1.080 cm³