Answer:
a²+b²+2ab
Step-by-step explanation:
(a+b)²=(a+b)(a+b)
(a+b)²=a²+ab+ba+b²
(a+b)²=a²+b²+2ab
a^2 + 2ab + b^2
Answered by Gauthmath
ha
hahaha thanks for the points ha
i think it is 234 i am not sure
Area: 181.5
Volume: 166.4
Hope this helps.