# A picture frame is shaped as a heptagon. The measure of one angle is 144°. The remaining interior angles are congruent. What is the measure of each remaining interior angle in the picture frame?

##### 1 Answer

Jan 6, 2016

#### Explanation:

A heptagon has

To find the total sum of the interior angles of a polygon with

#180˚(n-2)#

Since

#180˚(7-2)=900˚#

We know that

#6x+144=900#

#6x=756#

#x=126#

The other six angles are