a school playground is rectangular and has a length of 50 m and a width of 30m as shown. A safety zone of uniform width surrounds the playground. If the area of the safety zone equals the area of the playground, what is the width of the safety zone to 2 decimal places

Step-by-step explanation:

Area of the playground:

Let x m added as safety zone to each length and width, then the area including safety zone is:

Solving for x:

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

step-by-step explanation:

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