Question

2. How many diagonals does each of the following have?
(a) A convex quadrilateral (b) A regular hexagon (c) A triangle
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.)​

Answer 1

a convex quadrilateral have two diagonal

a regular hexagon have 9 diagonals

a triangle have zero diagonal

hope it will help you

Answer 2

Answer:

2.a)

3.40⁰(yes this is a property)

4.answer I don't know but how to do i know

First draw any figure as ur wish rectangle, square or something u want.

then divide that figure in to small triangles and the remains parts remove or cut from that (that's what they are saying)