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In-s [12.5K]
3 years ago
13

the national flag of scotland has a white diagonal on a blue backround Tracy is sewing a scottish flag she knows that the length

of one diagonal will be 15 feet and the flag will be 9 feet high to the nearest foot how long will the scottish flag be
Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Answer:

12 feet

Step-by-step explanation:

By Pythagoras theorem, a²+b²=c², where c represents the diagonal and a and b represents the other sides of a right angled triangle

As a flag is a rectangle, the two triangles cut would be  right angled triangles

Therefore, a²+9²=15²

a²+81=225

a²=144

a=√144

a=12 feet

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