if p=(-1,-1) find the image of P under the following rotation. 90 degrees counterclockwise about the origin

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

How would you find the height of points on the circle? the topic is trigonometry.

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2