Each of the following statements is true or false. Which statements are true?

A. A triangle where at least two angles are acute is called an acute triangle.
B. Some polygons are neither convex nor concave.
C. The sum of the interior angles of a concave pentagon is $540^{\circ}.$
D. The interior angles of a regular $1000$-gon are greater than the interior angles of a regular $100$-gon.
E. The exterior angles of a regular $1000$-gon are greater than the exterior angles of a regular $100$-gon.

Type your answer as an list, separated by commas. For example, if you believe statements A, C, and D are true, type A, C, D.

The sum of the interior angles of a concave pentagon is $540^{\circ}.$
The interior angles of a regular $1000$-gon are greater than the interior angles of a regular $100$-gon.

Why does the Pentagon have 5 sides?

The land the Pentagon become first planned to head on become bordered on 5 aspects through roads, so the architects designed a five-sided building.

What is the Pentagon shape?

A pentagon is a geometrical form, which has 5 facets and five angles. here, “Penta” denotes five, and “gon” denotes attitude. The pentagon is one of the forms of polygons. The sum of all the indoor angles for a normal pentagon is 540 ranges.

Learn more about the pentagon here https://brainly.com/question/21475963

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