matematika kelas 7 aljabar latihan 4.4

1.
3yz × 9ay
= 27ay²z

2.
Sisi Miring = √(3x)² + (y)²
Sisi Miring = √9x² + y²
Sisi Miring = 3x + y

K = s + s + s
K = 3x + y + 3x + y
K = (3x + 3x) + (y + y)
K = 6x + 2y

3.
L = ½ × 3x × y
L = 3/2x × y
L = 3/2xy

Maaf Kalau Salah