### Home > GB8I > Chapter 5 Unit 6 > Lesson INT1: 5.1.1 > Problem 5-16

5-16.

On graph paper, plot if

*,*

*,*

*, and*

*. (Desmos).*

If

is rotatedcounterclockwise ( ) about the origin, name the coordinates of the image .On your graph, reflect

across the-axis to find. Name the coordinates ofand. Calculate the area of

. Hint: Divide the figure into rectangles and triangles.Area of a trapezoid