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please help ASAP What is the surface area of the square pyramid represented by the net?

Please Help ASAP What Is The Surface Area Of The Square Pyramid Represented By The Net class=

Sagot :

Answer:

144

Step-by-step explanation:

all of the triangles add up to 108m^2 and the middle adds up to 36m^2 so add them together and you get the surface area.

semsee45

Answer:

144 m²

Step-by-step explanation:

From the diagram, we can see that the shape is made up of a square and 4 triangles. (We know it's a square as its width and length are equal).

First, find the area of the square.

Area of a square = width x length = 6 x 6 = 36 m²

All the triangles are the same, so we need to find the area of one of the triangles and multiply it by 4.

Area of a triangle = 1/2 x base x height = 1/2 x 6 x 9 = 27 m²

So the total area of all 4 triangles = 4 x 27 = 108 m²

Therefore the total surface area = 36 + 108 = 144 m²

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