antsptyn
24) luas = d1 x d2 /2 = 24 cm x 16 / 2 = 192 cm2
25) alas = 16 cm tinggi = 20 cm luas segitiga = a x t / 2 = 16 x 20 /2 = 160 cm 2 luas persegi panjang = p x l = 10 x 16 cm = 160 cm2
jumlah luas = 160 + 160 = 320 cm2
26) 360 - 144 = 216derajat 216 x 22 x 21 x21 = 108/180 x 22 x 3 x 21 = 12/20 x 22 x 3 x 21 = 831,6 cm2 360 7
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jasminemarsha
24. Luas = diagonal 1 x diagonal 2 2 Luas = 24 x 16 2 luas = 192 cm² (b) 25. Luas persegi panjang = panjang x lebar = 16 x 10 = 160 cm² Luas segitiga = alas x tinggi 2 = 20 x 16 2 = 160 cm² Luas = 160 + 160 = 320 cm² (c) 26. Luas yang diarsir = 360 - 144 = 216 = = Luas = x x r x r = x x 21 x 21 = 831,6 cm² (c)
25) alas = 16 cm
tinggi = 20 cm
luas segitiga = a x t / 2 = 16 x 20 /2 = 160 cm 2
luas persegi panjang = p x l = 10 x 16 cm = 160 cm2
jumlah luas = 160 + 160 = 320 cm2
26) 360 - 144 = 216derajat
216 x 22 x 21 x21 = 108/180 x 22 x 3 x 21 = 12/20 x 22 x 3 x 21 = 831,6 cm2
360 7
Luas = diagonal 1 x diagonal 2
2
Luas = 24 x 16
2
luas = 192 cm² (b)
25.
Luas persegi panjang = panjang x lebar
= 16 x 10
= 160 cm²
Luas segitiga = alas x tinggi
2
= 20 x 16
2
= 160 cm²
Luas = 160 + 160 = 320 cm² (c)
26.
Luas yang diarsir = 360 - 144
= 216
= =
Luas = x x r x r
= x x 21 x 21
= 831,6 cm² (c)