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Unformatted text preview: t would find that the steepest slope was along
the line CE; while the least slope was along the line CF.
What is the difference in lengths between the lines of
the least and the steepest slopes? F
D A
C
B sla 4. A right pyramid has a square base with an edgelength
of 15 cm, and a perpendicular height of 20 cm.
Calculate its slant height. base edge ge
ed
ight
t he
slan 6. A squarebased pyramid has a baseedge of length 53 mm
and a slant height of 117 mm.
Find the length of one its slant edges. nt perp. height 5. What is the perpendicular height of a right squarebased
pyramid having a baseedge of length 9.8 cm and a
slant height of 13.6 cm? ba se ed ge 7. The great pyramid of Gizeh (built about 2500 BC) has a square base which measures
226 metres along each edge, and a perpendicular height of 144 metres.
What is the length of one of its slant edges?
8. The net of a pyramid can be cut from a square piece of card
as shown in the drawing on the right.
What size of square would be needed to cut out the net of
a squarebased pyramid having a baseedge of 10 cm and
a perpendicular hei...
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 Spring '14

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