## Parallel and perpendicular lines

How to identify parallel,perpendicular and skew lines## Three-dimensional figures

What are the different parts of three-dimensional figures## Trigonometry

What are the trigonometric functions of complementary anglesHow to determine the inverses of trigonometric functions

What are the laws of Sines and Cosines

What are the similar ratios in similar right triangles

How to determine trigonometric ratios cos, sin, tan, cot, sec, cosec

## Area and perimeter

How to determine areas of squares, rectangles, parallelograms, trapezoids and trianglesHow to determine perimeters of triangles, parallelograms and trapezoids

How to calculate areas and perimeters in a coordinate plane

How to determine area and circumferences of circles

How to use the Heron s formula

## Surface area and volume

How to determine the surface area of prisms and cylindersHow to determine the surface area of pyramids and cones

How to determine the volume of prisms and cylinders

How to determine the volume of pyramids and cones

How to calculate the surface area and volume of similar solids

## Circles

How to calculate an arc measure and an arc lengthHow to determine the areas of sectors

How to construct a tangent line to a circle

How to construct squares and hexagons inscribed in circles

How to construct the inscribed or the circumscribed circle of a triangle

How to determine the perimeter of polygons with an inscribed circle

What is the difference between arcs and chords

How to determine the center of a circle in the coordinate plane

How to write equations of circles in standard form from graphs

How to write equations of circles in standard form using using properties