What error did the student make?
A student found the surface area of this pyramid.
Surface area - (12100), 5(12)(8), 5 (0909:5)
= 72 18 , 28.6
O
The student should have used the same value for
all of the triangular faces.
O
The student added only three of the five faces.
118
cm
O
The student did not use the correct formula to find
the area of the triangular faces.
8 cm
O
9.5 cm
The student did not find the correct area of the
rectangular base.
6 cm
-
12 cm