3 years ago

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

Mathematics

2 answers:

e-lub [12.9K]3 years ago

7 0

Answer:

Its C, 288 square inches

Step-by-step explanation:

LUCKY_DIMON [66]3 years ago

3 0

Answer:

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

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

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

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