snv0129
snv0129 snv0129
  • 19-05-2018
  • Mathematics
contestada

what is the surface area of this triangular pyramid

what is the surface area of this triangular pyramid class=

Respuesta :

wolf1728
wolf1728 wolf1728
  • 19-05-2018

Equilateral Triangle Height = side * square root (3) / 2 =

12 * 0.8660254038 = 10.3923048454

Triangle Area = 12 * 10.3923048454 * .5

= 62.3538290724

Pyramid Area = 62.3538290724 * 4 sides =

249.4153162896



Answer Link

Otras preguntas

What Chinese influence can most strongly be seen in Japanese culture? A) role of women B) clan social structure C) writing system D) belief in many gods
This is a two part question: a. Why did the colonists feel it was appropriate and necessary to boycott British Tea? b. Which group led this protest? Thanks
which of the following is true of the Antarctic treaty system
Find each percent increase round to the nearest percent from 13 friend to 14 friends
what is not an authoritarian form of government
As the Colorado Plateau continues to rise, the Colorado River cuts deeper and deeper into it; therefore, much of the Grand Canyon is _____. A. a primary landfor
When the Europeans made contact with the lenape indians, the life of the lenape changed. How did their lives changed? Give 2 examples!
The property is 382 meters long and 89 meters wide. What is the area of the property?
Which is NOT true about an acute isosceles triangle? A. two sides measure the same B. all angle measures are less than 90 degrees C. one angle is obtus
There was a surplus of office space in a city, with 400,000 square feet, or 16% of the total office space, vacant. How much office space did the city have?