What error did the student make?
A student found the surface area of this pyramid.
Surface arca = (12)(0) 5 (12)(8) 5 (6969.5)
- 72 • 18 / 28.5
O
The student should have used the same value for
all of the triangular faces.
The student added only three of the five faces.
O
= 18.5cm
O
i8 cm
The student did not use the correct formula to find
the area of the triangular faces.
The student did not find the correct area of the
rectangular base.
9.5 cm
6 cm
-
12 cm