Matematika tolong bantu aku kak plisBO NGASALPAKE CARANYA​

amiekuhiculv – June 05, 2023

tolong bantu aku kak plis
BO NGASAL
PAKE CARANYA​

19.V Limas=1/3 x L alas x tinggi Limas

=1/3 x(8 x 15) x 24

=1/3 x 40 x 24

=1/3 x 960

=320 cm³

20.V kerucut=8.316 cm³

V. =1/3 π r² t=8.316 cm³

=1/3 x22/7 x r² x 18=8.316

r² =8.316 x 3/1 x 7/22 : 18

r² =441

r=√441

r=21 : 2 = 10,5

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