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27-04-2020
Mathematics

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The diagonal of a rectangle is 100 units. The width is 80 units. What is the area of the rectangle in square units.

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27-04-2020

Answer:

4800 square units

Step-by-step explanation:

a²+b²=c²so

80²+b²=100²

6400+b²=10000 (subtract 6400 from both sides)

3600=b² (square root both sides)

b=60

A=bw so

60(80)=

4800 square units

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