Which of those angles are obtuse?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Angles 1
It is true neighboring angles have not common arm?
- Neighbor angle
For 136° angle calculate size of adjacent angle on one side of a straight line.
Draw angle |∠ ABC| = 130° and built its axis. What angle is between axis angle and arm of angle?
- Straight lines
Draw two lines c, d so that c || d. On line c mark points A, B, from point A start perpendicular to line c, from point B perpendicular to line c.
Compare with characters >, <, =: 85.57 ? 80.83
Determine if it is possible to construct a triangle with sides 28 31 34 by calculation.
- Ten fractions
Write ten fractions between 1/3 and 2/3
In the city operates 171 doctors. The city has 128934 citizens. How many citizens are per one doctor?
- To thousands
Round to thousands following numbers:
Result of the product of the numbers 1, 2, 3, 1, 2, 0 is:
7 trees in 5 lines grows in the orchard. How many trees are in the orchard?
- Roman numerals 2-
Subtract up the number writtens in Roman numerals. Write the results as a roman numbers.
- Roman numerals 2+
Add up the number writtens in Roman numerals. Write the results as a roman numbers.
- Roman numerals
Write numbers written in Roman numerals as decimal.
- Addition of Roman numbers
Added together and write as decimal number: LXXXV + CDXXI
Prove whether you can construct a triangle ABC, if a=9 cm, b=10 cm, c=4 cm.
The train passes part of the line for 95 minutes at speed 75 km/h. What speed would have to go in order to shorten the driving time of 20 minutes?