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The area of a square is 98 m2. How long is the diagonal? A. 14 m B. 76√ m C. 196 m D. 49 m

The area of a square is 98 m2. How long is the diagonal? A. 14 m B. 76√ m C. 196 m D. 49 m
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1 vote
The area of a square is 98 m2. How long is the diagonal?

A. 14 m
B. 76√ m
C. 196 m
D. 49 m

User Marcos Zolnowski
by
7.4k points

1 Answer

3 votes
A= sides2
98=sides2
√98 = √(〖sides〗^2 )
Side= 9.8994
Now the Pythagorean theorem
a2 + b2 = c2
9.89942 + 9.89942 = c2
97.99812036+ 97.99812036 = c2
c2 = 195.99624072
c= 13.99
Rounded to the nearest whole number is 14
A. 14 m
User Gulty
by
8.7k points
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