Question

20
(5)
(6)
Classify each of them on the basis of the following.
(c) Polygon
(a) Simple curve
(b) Simple closed curve
(d) Convex polygon
(e) Concave polygon
2. How many diagonals does each of the following have?
(c) A triangle
(a) A convex quadrilateral
(b) A regular hexagon
3. What is the sum of the measures of the angles of a convex quadrilateral? Will this property
hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try)
4. Examine the table. (Each figure is divided into triangles and the sum of the angles
deduced from that.)
Figure
Side
4.
3
5
6
Angle sum
180°
2 x 180°
3 x 180°
4 x 180°
(4 - 2) = 180° | = (5 – 2) x 180°| = (6 - 2)x 180​

Answer 1

Answer:

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Step-by-step explanation:

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