Which side lengths could be used to form a triangle?

10 cm, 20 cm, 10 cm

1 cm, 2 cm, 5 cm

14 cm, 8 cm, 5 cm

6 cm, 2 cm, 7 cm

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0