Devon uses 64 inches of ribbon to make 1 bow.How many yards of ribbon does Devon need to make 9 BOWS?
1 answer:
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Answer:
Step-by-step explanation:
If we drew an auxiliary line parallel to line and line
that intersects the vertex of
, we would form three angles, one of them being
The largest of these angles corresponds with the angle marked as .
The angle on the bottom right corresponds with the angle next to the one marked as . Therefore, its measure is
.
Since there are in a circle, we can now write the following equation:
.
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