## anonymous one year ago What is the surface area of a triangular pyramid if each face has an area of 50 cm2? A. 200 cm2 B. 300 cm2 C. 150 cm2 D. 250 cm2

1. anonymous

@jim_thompson5910

2. anonymous

D

3. anonymous

$50\times5=250$

4. wil476003

Well depends is the bottom a square or triangle

5. wil476003

If it has a square bottom it is 300 B

6. anonymous

it doesent say

7. sweetburger

no it does say

8. sweetburger

i just drew it wrong by accident redrawing now

9. sweetburger

|dw:1435893470233:dw| thats a poor drawing but it shows that in a triangular pyramid that the top will be 3 sides and the base is also a triangle so its 4x50

10. sweetburger

http://gyazo.com/5901ec23d0aa1f93aee4ab2f8dc78808 here is a better drawing from google

11. mathstudent55

A triangular pyramid has a triangle for its base and triangles for each of the other 3 sides.

12. anonymous

its 200

13. mathstudent55

Correct.

14. mathstudent55

There are 4 sides, each with an area of 50 cm^2.