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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
B sla 4. A right pyramid has a square base with an edge-length
of 15 cm, and a perpendicular height of 20 cm.
Calculate its slant height. base edge ge
slan 6. A square-based pyramid has a base-edge 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 square-based
pyramid having a base-edge 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 square-based pyramid having a base-edge of 10 cm and
a perpendicular hei...
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- Spring '14