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SashulF [63]
3 years ago
7

What is the surface area of a square pyramid with a slant height of 6cm and the length of one side of the square base is 5cm

Mathematics
1 answer:
erica [24]3 years ago
4 0

Answer:

S = 85cm^2

Step-by-step explanation:

The surface area of a square pyramid is given by the following formula:

S=2hb+b^2

where it has taken into account the sum of the area of a square and four triangles:

4(\frac{hb}{2})+b*b=2bh+b^2

h: slant height = 6cm

b: base = 5cm

By replacing in the formula you obtain:

S=2(5cm)(6cm)+(5cm)^2=85cm^2

hence, the surface area is 85cm^2

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