1) State the interior angle of Octagon a) 128.5° b) 120° c) 108° d) 135° 2) What kind of Mathematical instrument we use to measure angles? a) Pencil b) Eraser c) Protractor d) Scissors 3) Mira and Rumi drew a regular polygon each. The number of sides of the regular polygon drawn by Rumi is 2 times the number of sides of the regular polygon drawn by Mira. What are the shapes of regular polygon that might be drawn by Mira and Rumi?  a) Mira might draw an equilateral triangle and a square . Rumi might draw a hexagon and an octagon. b) Mira might draw an octagon and a hexagon. Rumi might draw an equailateral triangle and a square. c) Mira might draw a heptagon. Rumi might draw an square. d) Mira might draw a circle and a square. Rumi might draw an octagon. 4) What we call the half of the diameter? a) Circle b) circumfernce c) center d) radius e) diameter f) angle 5) What is the interior angle of hexagon? a) 102° b) 120° c) 122° d) 130° 6) Is there are two methods to draw an equilateral triangle a) No b) Yes 7) 90° is a.... a) Acute angle b) Right angle c) Obtuse angle d) Interior angle

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