Abcd is a triangle. angle c is 150°. side ac is 12, bc is eight. what is the area of the triangle

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Acircle has a circumference of 7.850 units. what is its radius?