Question

Question content area top
Part 1
Find the surface area of the rectangular pyramid.
6 m
11 m
9 m
14 m
Question content area bottom
Part 1
The surface area is
  
4158
m cubed .
m.
m cubed .
m squared .
​(Type a whole number or a​ decimal.)

Answer 1

Base area = 11·14 = 154 m².
Lateral area = 2·(1/2·14·6) + 2·(1/2·11·9) = 14·6 + 11·9 = 84 + 99 = 183 m².
Total surface area = 154 + 183 = 337 m².