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Katen [24]
3 years ago
6

PLS HELP!!!

Mathematics
2 answers:
dedylja [7]3 years ago
7 0

Answer:

6, 12, 144, 156

 

Step-by-step explanation:

The area of each triangular base is:  A = 1/2(b)(h)  A = 1/2(3)(4)  A =  6  ft2

There are two bases, so total base area is  12  ft2.

The lateral area is:  A = (12)(3)  + 12(5) + 12(4)  A =  144  ft2

The total surface area is 156  ft2.

denis23 [38]3 years ago
6 0

Answer:

The lateral area is 144 ft^2

The Total surface area is 156ft^2

Step-by-step explanation:

:)

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