merinellea merinellea

11-06-2021
Mathematics

contestada

Find the surface area. Best answer will be given 5 stars, thanks, and brainliest.

Find the surface area Best answer will be given 5 stars thanks and brainliest class=

Respuesta :

ahmed2xx ahmed2xx

11-06-2021

The answer is the surface area is 80

Answer Link

worldofcreativework worldofcreativework

11-06-2021

Answer:

1320

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=10·24+21·24+17·24+1

2·﹣104+2·(10·21)2+2·(10·17)2﹣214+2·(21·17)2﹣174=1320

Answer Link

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