1) What do you called a polygon with 6sides? a) octagon b) pentagon c) heptagon d) hexagon 2) What is the sum of the interior angle of 13gon? a) 1980 b) 1800 c) 2160 d) 1620 3) what do you called a polygon whose sum of its interior angle is 2880? a) 15gon b) 16gon c) 17gon d) 18gon 4) what is the formula for the sum of interior angle? a) n/180 + 2 b) (n-2)180 c) n-2 d) (n-2)180 / n 5) what is the measure of the exterior angle of an octagon? a) 135 b) 45 c) 36 d) 72 6) what is the measure of the interior angle of pentagon? a) 72 b) 108 c) 144 d) 36 7) how many triangles do we have in a decagon? a) 8 b) 9 c) 10 d) 11 8) how many sides do we have in undecagon? a) 9 b) 10 c) 11 d) 12 9) what is the formula for the interior angle of a polygon? a) n/180 + 2 b) (n-2)180 c) n-2 d) (n-2)180 / n 10) what is the radius of a circle whose diameter is 8cm? a) 2cm b) 4cm c) 16cm d) 10cm 11) In triangle XYZ, m∠ Y = 25, m∠Z = 76 , what is the m∠X? a) 69 b) 79 c) 89 d) 99 12) In the figure, what is the minor arc? a) arc ZYT b) arc ZT c) arc YX d) arc ZAT 13) In the figure, what is the major arc? a) arc ZAT b) arc ZWX c) arc ZT d) arc ZYT 14) In the figure, what is the intercepted arc? a) arc ZWX b) arc ZYT c) arc YX d) arc ZAT 15) what is the diameter of a circle whose radius is 6cm? a) 3cm b) 12cm c) 4cm d) 8cm

Math 7 Assessment Week 7

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