# Angles

Which of those angles are obtuse?

**Result****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. - 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

Compare with characters >, <, =: 85.57 ? 80.83 - Triangle

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 - Roman numerals +

Add up the number writtens in Roman numerals. Write the results as a decimal number. - Orchard

7 trees in 5 lines grows in the orchard. How many trees are in the orchard? - To thousands

Round to thousands following numbers: - Roman numerals 2+

Add up the number writtens in Roman numerals. Write the results as a roman numbers. - Doctors

In the city operates 171 doctors. The city has 128934 citizens. How many citizens are per one doctor? - Product

Result of the product of the numbers 1, 2, 3, 1, 2, 0 is: - Roman numerals 2-

Subtract up the number writtens in Roman numerals. Write the results as a roman numbers. - Triangle

Prove whether you can construct a triangle ABC, if a=9 cm, b=10 cm, c=4 cm. - Addition of Roman numbers

Added together and write as decimal number: LXXXV + CDXXI - Roman numerals

Write numbers written in Roman numerals as decimal. - Train

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?