![subject](/tpl/images/cats/mat.png)
Mathematics, 29.11.2019 01:31 danniuhrig
How do i find the surface area tetrahedron? i forgot the formula
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
Answers: 2
You know the right answer?
How do i find the surface area tetrahedron? i forgot the formula...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 06.05.2021 18:20
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.05.2021 18:20
![question](/tpl/images/cats/biologiya.png)
Biology, 06.05.2021 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.05.2021 18:20