WRITTEN WORKS in MATHEMATICS 4
Third Quarter - Module 2
1. Identify the following being described. Choose your
answers below.
1. It is an angle that measures more than 90°.
2. It is a polygon with 3 sides and 3 angles.
3. It is a polygon with 4 sides, 4 vertices and 4 angles.
4. It is the common endpoint in an angle.
5. It is an angle that measures 90°.
6. It is formed when two rays meet at a common
endpoint.
7. It is an angle that measures less than 90°.
8. It is an instrument used in measuring angles.
9. It is a closed figure made up of several line
segments.
10. They are called sides and do not cross each other.
right angle
quadrilateral
line segments
obtuse angle
protractor
triangle
acute angle
angle
vertex
polygon
Third Quarter - Module 2
1. Identify the following being described. Choose your
answers below.
1. It is an angle that measures more than 90°.
2. It is a polygon with 3 sides and 3 angles.
3. It is a polygon with 4 sides, 4 vertices and 4 angles.
4. It is the common endpoint in an angle.
5. It is an angle that measures 90°.
6. It is formed when two rays meet at a common
endpoint.
7. It is an angle that measures less than 90°.
8. It is an instrument used in measuring angles.
9. It is a closed figure made up of several line
segments.
10. They are called sides and do not cross each other.
right angle
quadrilateral
line segments
obtuse angle
protractor
triangle
acute angle
angle
vertex
polygon
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Answer:
1.obtuse angles
2.In Geometry, a triangle is the most important shape, defined as a closed two-dimensional diagram containing 3 sides, 3 angles, and 3 vertices. In simple words, a triangle is a polygon with 3 sides.
3.A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.)
4.An angle is formed by two rays with a common endpoint. Each ray is called an arm of the angle. The common endpoint is called the vertex of the angle.
5.Angles that are 90 degrees (θ = 90°) are right angles. Angles that are 180 degrees (θ = 180°) are known as straight angles. Angles between 180 and 360 degrees (180°< θ < 360°) are called reflex angles. Angles that are 360 degrees (θ = 360°) are full turn.
6.Angle. An angle is formed by two rays with a common endpoint. Each ray is called an arm of the angle. The common endpoint is called the vertex of the angle.
7.Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees.
8.Protractor, any of a group of instruments used to construct and measure plane angles. The simplest protractor comprises a semicircular disk graduated in degrees—from 0° to 180°.
9.A closed figure made up of line segments is called a "polygon." The term "polygon" is derived from the Greek words "poly," which means "many," and "gon," which means "angle." ... Some common polygons include triangles, pentagons, nonagons, quadrilaterals, octagons, decagons, pentagons, hexagons and heptagons.
10.A closed plane figure made up of several line segments that are joined together. The sides do not cross each other. Exactly two sides meet at every vertex.
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