SSLC Maths NIOS I

Perimeter of a figure means:

Construction is based on:

A triangle can be constructed when ____ are known:

Equilateral triangle has all sides:

Area of rhombus =

Circle is drawn using:

Area of rectangle =

The perpendicular from a point to a line forms:

To construct parallel lines we use:

The main tool used for geometric constructions is:

Area of trapezium =

Area of triangle =

Area depends on:

Circumference of circle =

17. The angle greater than 90° is:

Perimeter of semicircle =

Perimeter measures:

Full angle equals:

Angle bisector divides an angle into:

Diameter of circle =

If length doubles, perimeter of rectangle:

If side of square doubles, area becomes:

Unit of perimeter is:

Area of a figure means:

Perpendicular bisector divides a line into:

chapter 20 PERIMETERS AND AREAS OF PLANE FIGURES Area of parallelogram =

Value of π (approx) =

Geometrical constructions must be:

To construct 90° angle we draw:

Locus of a point equidistant from two points is:

Diameter of circle is:

Radius of circle is:

Perimeter of triangle =

Locus of points equidistant from a fixed point is:

Straight angle equals:

Each angle of equilateral triangle is:

Angle of 60° is constructed using:

If radius increases, area of circle:

Perimeter of rectangle =

Area of square =

Area of semicircle =

Unit of area is:

Compass is used to measure:

Area is measured in:

Isosceles triangle has:

Perimeter of square =

A triangle with all unequal sides is:

To bisect a line segment we use:

A line segment can be copied using:

Area of circle =