Find the sum of the interior angles of a 25-sided polygon

4140°

Step-by-step explanation:

To find sum of interior angles of a polygon with sides we apply the following formula:

where represents the sum of interior angles of the polygon and   represents number of sides of the polygon.

Thus, for a 25-sided polygon the sum of interior angles can be calculated by plugging in in the formula.

∴   (Answer)

4140°

Step-by-step explanation:

The exterior angles of a polygon add up to 360°. So the exterior angle of this polygon is 360 ÷ 25 = 14.4°

The interior angle of the polygon is 180 - 14.4 = 165.6°

The sum of the interior angles is 165.6 × 25 = 4140°

answer: $34.31

step-by-step explanation:

$11.99 x 3 = $35.97

$35.97 - 10% = $32.37

$32.37 + 6% = $34.31