Put
a tick mark(√) on the correct answer :
Q1.What
the point of intersection of the medians of a triangle called ?
(i) circum center (ii) In center (iii) centroid (iv) ortho center
Q2.What
the point of intersection of the altitudes of a triangle called ?
(i) circum center (ii) In center (iii) centroid (iv) ortho center
Q3.What
the point of intersection of the side bisectors of a triangle called ?
(i) circum center (ii) In center (iii) centroid (iv) ortho center
Q4.What
the point of intersection of the angle bisectors of a triangle called ?
(i) circum center (ii) In center (iii) centroid (iv) ortho center
Q5.Which
of the following is a three dimensional figure ?
(i) Square (ii) Trapezium (iii)
Cube (iv) Parallelogram
Q6.Find
the number of edges of a polyhedron having 20 faces & 12 vertices
?
(i) 10 (ii) 20 (iii) 25 (iv) 30
Q7.Find
the number of faces of a polyhedron having 6 vertices & 12 edges ?
(i) 8 (ii) 10 (iii) 12 (iv) 14
Q8.Find
the number of vertices of a polyhedron having 5 faces & 9 edges ?
(i) 18 (ii) 12 (iii) 6 (iv) 4
Q9.What
the name of the polyhedron is whose base & top are congruent polygons &
whose lateral faces are parallelograms
in shape ?
(i) Tetrahedron (ii) Trapezium (iii) Prism (iv) Parallelogram
Q10.How
many faces a tetrahedron has ?
(i) 14 (ii) 12 (iii) 6 (iv) 4
No comments:
Post a Comment