tolong dijawab yaahhhhhhhhhhh

a. 76 = 2 ( p + p - 10)
b. 76 = 2p + 2p - 20
76 = 4p -20
4p = 76 + 20
4p = 96
p = 96/4 = 24
* panjang = 24
lebar = p-10 = 24-10 =14

c. L = p dikali lebar
= 14 dikali 24 = 336 dm kuadrat