Reason + line - practice problems
Number of problems found: 26
- Pizza master
Master says that he can splits pizza to 16 parts by five equals straight cuts. Is it possible?
- Obtuse angle
The line OH is the height of the triangle DOM, line MN is the bisector of angle DMO. obtuse angle between the lines MN and OH is four times larger than the angle DMN. What size is the angle DMO? (see attached image)
How many different circles are determined by 9 points at the plane if 6 of them lie in a straight line?
On a double-track line between stations, K and M went against each other two trains. The first train passed the distance between stations for 3.5 hours, the second, which had an average speed of 12 km/h more, passed for 3.05 hours. Calculate the distance
In how many points will intersect 14 different lines, where no two are parallel?
Trolleybus line No. 206 measured 24 km. If the trolleybus goes faster by 5 km/h, the way there and back would is shorter by 33 minutes. Calculate the trolleybus speed and how much time it takes a return trip.
Reason - practice problems. Line - practice problems.