How many sides has a polygon if the sum of its interior angle is 1440^o?

Similar Questions

Using the cumulative frequency curve. What is the 80th percentile? ...

PQR is an equilateral triangle with sides 2$\sqrt{3cm}$. calculate its height...

Ada draws the graph of y = x2 - x - 2 and y = 2x - 1 on the same axes. Which of these equations is s...

Simplify $\frac{4\frac{3}{4} - 6\frac{1}{4}}{4\frac{1}{5} \text{ of } 1\frac{1}{4}}$...

If cos x = 4/5, 0° $\leq$ x $\leq$ 90°, find the value of (1 + tan x)/(1 - tan x)...

Simplify $(216{\frac{1}{3}})^{-2}$...

A sum of money invested at 5% per annum simple interest amounts to $285.20 after 3 years. How long w...

The length of a rectangle is 10 cm. If its perimeter is 28 cm, find the area ...

The chord ST of a circle is equal to the radius, r, of the circle. Find the length of arc ST. ...

In how many ways can the word MATHEMATICS be arranged? ...