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Mathematics Grade 9 Unit 6: REGULAR POLYGONS
national exam questions have come from this unit. It runs 32 pages; one careful study pass takes about 2.6 hours, and its difficulty is easier among Mathematics units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
6.1 Sum of Interior Angles of a Convex Polygon · read p. 208
Not asked in a national paper yet.
6.2 Sum of Exterior Angles of a Convex Polygon · read p. 216
Not asked in a national paper yet.
6.3 Measures of Each Interior Angle and Exterior Angle of a Regular Polygon_ _ _ · read p. 221
Not asked in a national paper yet.
6.4 Properties of Regular Polygons · read p. 224
- 2018 E.C., Q25 – What is the measure of each interior angle of a regular polygon with 15 sides?
- 2018 E.C., Q23 – Which one of the following statements is NOT true about regular polygon?
- 2017 E.C., Q19 – An equilateral triangle is inscribed in a circle with radius $\sqrt{3}$ cm. Then what is the perimeter (in cm) of the triangle?
- 2016 E.C., Q47 – Let $f(x)=\frac{x+1}{x-1}$ and $g(x)=\sqrt{x+2}$ be two functions. Which one of the following is true about the combination values of $f$ and $g$ at $x=2$?
- 2016 E.C., Q16 – A person would like to fence all sides of a regular hexagonal polygonal park of radius 12 meter. What is the length of a fencing material needed in meter?
- 2016 E.C., Q22 – What is the perimeter of a regular hexagon of radius 6 cm?
- 2016 E.C., Q21 – If the measure of each interior angle of a regular polygon is 135°, then which one of the following is the number of lines of symmetry of the polygon?
- 2015 E.C., Q5 – What is the area of a regular hexagon inscribed in a circle of radius 6cm? 48 cm 3 2
- 2014 E.C., Q15 – What is the area of an equilateral triangle inscribed in a circle of radius 4 units?
- 2014 E.C., Q4 – Which of the following is the measure of an exterior angle of a 10 sided regular polygon?