Express the sum of the angles of this triangle in two different ways.
3
X
2x​

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

On a bicycle trail, the city is painting arrows like the one shown below: upper pointing arrow with height of 11 and length of 9. rectangular base of arrow has length of 7 and height of 8. all units are in centimeters. calculate the area of the arrow by decomposing it into rectangles and triangles. 66.5 square centimeters 69.5 square centimeters 83 square centimeters 99 square centimeters