SSLC Maths NIOS I

Area of square =

To construct parallel lines we use:

To construct 90° angle we draw:

Area of a figure means:

Straight angle equals:

The main tool used for geometric constructions is:

Perimeter measures:

Area depends on:

If radius increases, area of circle:

The perpendicular from a point to a line forms:

17. The angle greater than 90° is:

Unit of area is:

Perimeter of semicircle =

Area of trapezium =

Area of circle =

Perpendicular bisector divides a line into:

If length doubles, perimeter of rectangle:

Perimeter of rectangle =

Each angle of equilateral triangle is:

Construction is based on:

Area of rectangle =

Radius of circle is:

Area of semicircle =

Locus of a point equidistant from two points is:

Circle is drawn using:

A triangle with all unequal sides is:

Geometrical constructions must be:

Area of rhombus =

Circumference of circle =

Area is measured in:

Full angle equals:

Perimeter of triangle =

Perimeter of square =

To bisect a line segment we use:

Value of π (approx) =

Angle bisector divides an angle into:

Perimeter of a figure means:

If side of square doubles, area becomes:

Angle of 60° is constructed using:

Isosceles triangle has:

Equilateral triangle has all sides:

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

Unit of perimeter is:

Locus of points equidistant from a fixed point is:

Area of triangle =

A line segment can be copied using:

A triangle can be constructed when ____ are known:

Diameter of circle =

Compass is used to measure:

Diameter of circle is: