Respuesta :

pc192y

Answer:

72 square inches

Step-by-step explanation:

The surface area is the sum of all the sides' areas.

**I am assuming the pyramid is a square pyramid based on observation.

There is one 4 by 4 square: area = [tex]4^2=16[/tex]

There are 4 congruent triangles with height 7 and base 4: area of a single triangle = 1/2 * b * h; [tex]\frac{7*4}{2}=14[/tex]

14 * 4 = 56

Add 56 and 16 = 72

26rogozinskib

Answer:

72 square inches

Step-by-step explanation:

The surface area is the sum of all the sides' areas.

**I am assuming the pyramid is a square pyramid based on observation.

There is one 4 by 4 square: area =

There are 4 congruent triangles with height 7 and base 4: area of a single triangle = 1/2 * b * h;

14 * 4 = 56

Add 56 and 16 = 72

Step-by-step explanation:

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