Afashion designer created a sketch of a square scarf. the design has one large triangle and two congruent smaller triangles. the shaded portion shows the part made from red silk. the sketch of the scarf has a scale of 5 inches = 3 feet. how much red silk does the fashion designer need to make the scarf?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

The measure of an angle is 117°. what is the measure of a supplementary angle?

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry. how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.