jmac48828
21.05.2020 •
Mathematics
Given a polyhedron with 20 vertices and 30 edges, how many faces does it have?
Solved
Show answers
More tips
- A Animals and plants How to Grow Lime from a Seed: Simple Tips and Interesting Facts...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Mathematics
- M Mathematics Solve this system of linear equations...
- M Mathematics It is thought that prehistoric indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. it is hypothesized...
- M Mathematics Abby and Ben are running on a 3.5km loop circuit. They both set off at the same time, running in opposite directions. Abby runs at 12km/hr and Ben runs at 9km/hr. How many...
- P Physics Train A leaves the station heading north at 80 mph. At the same time and from the same station, Train B heads south 65 mph. How far apart are the trains after 3 hours fo...
Ответ:
B
Step-by-step explanation:
As T is the midpoint of SU, ST=TU. 9x=5x+28, 4x=28, x=7. ST=TU=63 and SU=126