Jawab:
2
a. 18 cm
b. 18 cm
Penjelasan dengan langkah-langkah:
a.
Diketahui
a = 25 cm
L = 225 cm^2
ditanya
t = ?
L = 1/2 x a x t
225 = 1/2 x 25 x t
225 x 2 = 25 t
450 = 25t
t = 450/25
t = 18 cm
b.
t = 12 cm
L = 108 cm^2
a = ?
108 = 1/2 x a x 12
108 x 2 = 12a
216 = 12a
a = 216/12
a = 18 cm
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Jawab:
2
a. 18 cm
b. 18 cm
Penjelasan dengan langkah-langkah:
2
a.
Diketahui
a = 25 cm
L = 225 cm^2
ditanya
t = ?
L = 1/2 x a x t
225 = 1/2 x 25 x t
225 x 2 = 25 t
450 = 25t
t = 450/25
t = 18 cm
b.
Diketahui
t = 12 cm
L = 108 cm^2
ditanya
a = ?
L = 1/2 x a x t
108 = 1/2 x a x 12
108 x 2 = 12a
216 = 12a
a = 216/12
a = 18 cm