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ASHA 777 [7]
3 years ago
12

The area of a square is 49 square inches. Find the number of inches in the length of a diagonal. Express your answer in simplest

radical form.
Mathematics
1 answer:
natta225 [31]3 years ago
4 0

Answer:

9.9 inches

Step-by-step explanation:

if the area of ​​the square is 49 we have and know that the base and height are equal we can express it as follows

X is one side of the square.

X * X = 49

X^2 = 49

X = √49

X = 7

by Pythagoras we can calculate the diagonal of the triangle formed by 2 sides of the square with the following expression

Y is the diagonal

7^2 + 7^2 = Y^2

49 + 49 = Y^2

√98 = Y

Y = 9.9

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Step-by-step explanation:

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Answer:

1. last choice

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Step-by-step explanation:

STEP  1

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