Find an equation for the circle that has its center at (2, -3) with the radius 3 and graph the circle

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.