Get premium membership and access revision papers with marking schemes, video lessons and live classes.
  OR
Processing. Please wait.

 KCSE Mathematics Paper 1 Revision Exercise Set 3

The diagram shows the frustum of a right pyramid made by cutting off small pyramid halfway up the vertical height of the original pyramid. The frustum stands on a rectangular base measuring 24cm by 10cm while the removed pyramid stands on a rectangular base measuring 12cm by 5 cm.
Given that the slant height of the original pyramid is 28cm, calculate
a) To one decimal place the vertical height of the original pyramid.
b) The volume of the frustum.
testpaper31505.JPG

 (14m 16s)
541 Views     SHARE

|