Two sides and an angle are given: a = 5, b = 4, angle B = 15°
Determine whether the given information results in one triangle, two
triangles, or no triangle at all.
Solve any triangle(s) that result(s).

It results to two triangles

Step-by-step explanation:

There are two angle b

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- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."