Jawab ya kk, dari nomor 23 sampai 26. saya kasih 20 poin klo bener jawab!
ananekusuma21
23) sisi siku2 yg lain = akar dr 29²-20² = akar dr 841-400 = √441 = 21 cm V.prisma = L alas x t = (1/2 x a x t) x t = (1/2 x 20 x 21) x 16 = 210 x 16 = 3360 cm kubik (B)
24) sisi blah ktupat = K : 4 = 52 : 4 = 13 cm
1/2 dr d1 = 1/2 x 24 = 12 cm,maka: d2 = 2 x akar dr 13²-12² = 2 x akar dr 169 -144 = 2 x √25 = 2 x 5 = 10 cm
= akar dr 841-400
= √441 = 21 cm
V.prisma = L alas x t
= (1/2 x a x t) x t
= (1/2 x 20 x 21) x 16
= 210 x 16
= 3360 cm kubik (B)
24) sisi blah ktupat = K : 4
= 52 : 4 = 13 cm
1/2 dr d1 = 1/2 x 24 = 12 cm,maka:
d2 = 2 x akar dr 13²-12²
= 2 x akar dr 169 -144
= 2 x √25
= 2 x 5 = 10 cm