CDF MOCK 6th

If each angle of a triangle is acute then it is called ...............

• Right angled triangle

• Obtuse angled triangle

• acute angled triangle

• equilateral triangle

No. of acute angles in a right triangle is ......

• four

• one

• three

• two

The number of obtuse angles in a obtuse angled triangle is ..............

• four

• one

• three

• two

Two intersecting lines are perpendicular if the angle between them is ......

• 360°

• 180°

• 90°

• 60°

The perpendicular bisector of a line segment is a perpendicular to the line segment that divides it into ..................

• one equal parts

• three equal parts

• two equal parts

• four equal parts

Some of..................shapes are cubes, cuboids, spheres, cylinders, cones, prisms and pyramids.

• six dimensional

• three dimensional

• two dimensional

• one dimensional

Cubes, cuboids, spheres, cylinders, cones, prisms and pyramids are............

• six dimensional

• three dimensional

• two dimensional

• one dimensional

,prisms and pyramids are............

• six dimensional

• three dimensional

• two dimensional

• one dimensional

If F = No. Of faces, V = No. Of vertices, E = No. Of edges of a prism then .........

• E-2=F-V

• E-2=F+V

• E+2=F-V

• E+2=F+V

A polygon with 8 sides is called ........

• Decagon.

• Nonagon.

• octagon

• Heptagon.