# 9-gon

Sum of interiol angles of 9-gon is:

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### Following knowledge from mathematics are needed to solve this word math problem:

## Next similar math problems:

- Parallelogram

In the parallelogram we know one internal angle 67°33`. Calculate the other internal angles. - Rhombus angles

If one angle in the rhombus is 159°, what is it neighboring angle in rhombus? - Isosceles trapezoid v3

In an isosceles trapezoid ABCD is the size of the angle β = 81° Determine size of angles α, γ and δ. - Rectangular trapezoid

How many inner right angles has a rectangular trapezoid? - Complementary angles

Two angles are complementary. If one angle measures 10°, what is the measure of the second angle? - Angles 1

It is true neighboring angles have not common arm? - 6-gon

Perimeter of regular hexagon is 113. Calculate its circumradius (radius of circumscribed circle). - Two circles

Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles? - Obtuse angle

Which obtuse angle is creating clocks at 17:00? - Noontime

In the morning temperature was 110°F. By noontime it has gone up by 15°F. What was the noon temperature. (Give your answer in °F) - Combine / add term

Combine like terms 4c+c-7c - Adding mixed numerals

3 3/4 + 2 3/5 + 5 1/2 Show your solution. - Crocuses

The garden grow daffodils, crocuses and roses. 1400 daffodils, crocuses is 462 more and roses is 156 more than crocuses. How many are all the flowers in the garden? - Cakes

Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total? - Sales off

Calculate what was the original price of the good, if the price after discount 25% and the subsequent rise of 20% is 400 USD. - One-third

A one-third of unknown number is equal to five times as great as the difference of the same unknown number and number 28. Determine the unknown number. - Three digits number 2

Find the number of all three-digit positive integers that can be put together from digits 1,2,3,4 and which are subject to the same time has the following conditions: on one positions is one of the numbers 1,3,4, on the place of hundreds 4 or 2.