Question

Help me on this question plss?

Answer 1

the answer is c.

Explanation:

Answer 2

C) 81 Square Inches

Explanation:

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

AB=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c /2

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=6·3+7.5·3+4.5·3+1

2·﹣64+2·(6·7.5)2+2·(6·4.5)2﹣7.54+2·(7.5·4.5)2﹣4.54=81