I. Choose the correct option-
1. If the radius of the circle is 14cm, the diameter is
a. 14 cm b. 7 cm c. 28 cm d. 140 cm
2. The standard unit to measure length is
a. m b. cm c. km d. none
3. How many minutes are there in 2 hours 30 minutes
a. 60 minutes b. 90 minutes c. 150 minutes d. 120 minutes
4. Which of the following is not a polygon?
a. quadrilateral b. triangle c. circle d. square
5. A cube has ____ faces
a. 4 b. 5 c. 3 d. 6
1. If the radius of the circle is 14cm, the diameter is
a. 14 cm b. 7 cm c. 28 cm d. 140 cm
2. The standard unit to measure length is
a. m b. cm c. km d. none
3. How many minutes are there in 2 hours 30 minutes
a. 60 minutes b. 90 minutes c. 150 minutes d. 120 minutes
4. Which of the following is not a polygon?
a. quadrilateral b. triangle c. circle d. square
5. A cube has ____ faces
a. 4 b. 5 c. 3 d. 6
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Answers & Comments
1) 28
2)meter
3.150
4.Triangles have 3 sides, squares have 4, pentagons have 5 and octagons have 8. A figure or shape is not considered a polygon if it has rounded sides or if its sides intersects at any place other than at the ends of each side. Therefore a circle is not a polygon and an hourglass shape is not a polygon.
5It has 6 faces, 12 edges, and 8 vertices