Find the area of a trapezoid whose parallel sides measure 8.5 m and 4.5 m, and whose altitude is 6.5 m.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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

Percent increase and decrease. original number: 45 new number: 18