What is the surface area of the square pyramid?

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in²

Square pyramid net consisting of a square and four triangles. The square has length and width of eight inches. A triangle has a base of eight inches and a height of eleven inches.

The surface area of the pyramid is the sum of the areas of the parts of the composite figure comprising the net. That is, it is the sum of the areas of four triangles and a square.

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Face

The area of a triangle is ...

A = 1/2bh

For the given triangles, this is ...

A = 1/2(8 in)(11 in) = 44 in²

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Base

The area of the square base is ...

A = s²

For the given dimensions, this is ...

A = (8 in)² = 64 in²

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Total Surface Area

The sum of the areas of the four faces and the base is ...

total area = 4(44 in²) +64 in² = 240 in²

The surface area of the square pyramid is 240 in².

What is the surface area of the square pyramid? Enter your answer in the box. in² Square pyramid net consisting of a square and four triangles. The square has length and width of eight inches. A triangle has a base of eight inches and a height of eleven inches.

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Face

Base

Total Surface Area

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What is the surface area of the square pyramid?

Enter your answer in the box.

in²

Square pyramid net consisting of a square and four triangles. The square has length and width of eight inches. A triangle has a base of eight inches and a height of eleven inches.