Tolong jawab no 1 plisss
Kel:
a) 2p + 2l
2(3x + 2) + 2(2x-3)
6x + 4 + 4x – 6
10x – 2
b) 10x -2 = 36
10x = 38
x = 3.8
p = 3 x 3.8 + 2
= 11.4 + 2
= 13.4cm
l = 2x – 3
= 7.6 – 3
= 4.6cm
Tolong jawab no 1 plisss
Kel:
a) 2p + 2l
2(3x + 2) + 2(2x-3)
6x + 4 + 4x – 6
10x – 2
b) 10x -2 = 36
10x = 38
x = 3.8
p = 3 x 3.8 + 2
= 11.4 + 2
= 13.4cm
l = 2x – 3
= 7.6 – 3
= 4.6cm