3. a parallelogram has sides of 20 cm and 15 cm. the perpendicular distance between the 20 cm sides is 18 cm. find the distance between the 15 cm sides.

What is the value of x in the diagram below?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle