Dawn bought a winter coat at 30% off the original price. The discount on the coat was $21. was the original price of the coat? S
1 answer:
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Answer:
S = 85cm^2
Step-by-step explanation:
The surface area of a square pyramid is given by the following formula:
where it has taken into account the sum of the area of a square and four triangles:
h: slant height = 6cm
b: base = 5cm
By replacing in the formula you obtain:
hence, the surface area is 85cm^2