The lateral area of the prism is 240 square inches. Find the total surface area.

288 Square inches

Step-by-step explanation:

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=8·10+10·10+6·10+1

2·﹣84+2·(8·10)2+2·(8·6)2﹣104+2·(10·6)2﹣64=288

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

step-by-step explanation:

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