Respuesta :

Answer:

volume 1,680

surface area  1,072

Step-by-step explanation:

somekat90

Answer:

A≈156.58

Step-by-step explanation:

Using the formulas

A=2AB+(a+b+c)h

AB=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving forA

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=12·5+2·5+13·5+1

2·﹣124+2·(12·2)2+2·(12·13)2﹣24+2·(2·13)2﹣134≈156.58124