The line AB is shown on the grid. A) find the gradient of a line perpendicular to AB . B) find the equation of the line perpendicular to AB and passing through midpoint of AB

In the diagram of circle o, what is the measure of zabc?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?