Question

1. what is the sum of the interior angles of a rectangle? 4° 180° 90° 360°

Explanation:

Step1: Recall polygon angle - sum formula

The sum of interior angles of a polygon is given by $(n - 2)\times180^{\circ}$, where $n$ is the number of sides.

Step2: Identify number of sides of rectangle

A rectangle has $n = 4$ sides.

Step3: Calculate sum of interior angles

Substitute $n = 4$ into the formula: $(4 - 2)\times180^{\circ}=2\times180^{\circ}=360^{\circ}$.

Answer:

$360^{\circ}$