Q: How does reflecting or rotating a figure change the interior angles of the figure?

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Just moving a triangle, or rotating, or even reflecting (without scaling) a shape will not change its area or its perimeter.

No. Imagine any regular polygon ; a triangle, a rectangle a dodecagon or whatever. If they are regular polygons then whatever shape you choose they are just scaled up or scaled down versions of one another. Whilst the length of the sides can differ the sum of the interior angles does not change. The formula for calculating the sum of the interior angles of a polygon is 2n - 4 right angles, where n is the number of sides. This is not affected by the length of the sides.

Yes. Under translation the shape does not change, only the position of the shape changes - the translated shape is congruent to the original shape.

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When the sides of a regular polygon increases its interior angles also increases

They can change in almost any way that you like. The only limitation is that, if there are n angles, then their sum is (n - 2)*180 degrees.

The interior and exterior angles would change.

Just moving a triangle, or rotating, or even reflecting (without scaling) a shape will not change its area or its perimeter.

It transfers rotating power from the transaxle to the wheels while allowing the suspension and steering to change angles.

No. Imagine any regular polygon ; a triangle, a rectangle a dodecagon or whatever. If they are regular polygons then whatever shape you choose they are just scaled up or scaled down versions of one another. Whilst the length of the sides can differ the sum of the interior angles does not change. The formula for calculating the sum of the interior angles of a polygon is 2n - 4 right angles, where n is the number of sides. This is not affected by the length of the sides.

Yes. Under translation the shape does not change, only the position of the shape changes - the translated shape is congruent to the original shape.

82.8, 41.4 and 55.8 degrees The sides are 40cm, 50cm and 60cm so use the Cosine Rule to find the interior angles: Cos A = (b2+c2-a2)/(2bc) Change the formula to find the other angles

Because the Earth is rotating :D

The angles of a polygon are not directly related to the measurement of the perimeter. If you measure a perimeter of a pentagon in inches and then again in centimetres, the measurement number will change but the pentagon will remain the same.