1) The size of each interior angle of a regular polygon is 108°. How many sides does the polygon have? a) 4 sides b) 5 sides c) 6 sides d) 7 sides 2) How many sides does the figure have? What is the sum of the interior angles? a) 9, 148 b) 9, 155 c) 9,156 d) 9, 158 3) How many sides are there in the polygon? What is the sum of the interior angle of the regular polygon? a) 6, 280 b) 6, 250 c) 6,240 d) 6, 270 4) What is the measure of each angle of a regular octagon. a) 125 b) 135 c) 115 d) 155 5) What is the measure of an interior and an exterior angle of a regular 32-gon? a) 180 and 11.25 b) 160 and 16.5 c) 150 and 10.25 d) 170 and 17 6) The angles of triangle ABC are shown in the following diagram. Calculate the value of x. a) 30° b) 35° c) 40° d) 45° 7) The sum of interior angles of a regular polygon is 1080°. Calculate the number of sides that it has. a) 6 sides b) 7 sides c) 8 sides d) 9 sides 8) Calculate the sum of interior angles of a 10 sided regular polygon a) 1400° b) 1440° c) 1480° d) 1520° 9) Which regular polygon has an exterior angle of 72°? a) Pentagon b) Septagon c) Octagon d) Decagon

Measuring Angles

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