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Find the value of x that makes the figure square

Find the value of x that makes the figure square-example-1
User HyderA
by
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1 Answer

5 votes

The diagonals meet each other at 90 degrees when you have a square.

7x+13 = 90

Subtract 13 from each side

7x+13 -13= 90-13

7x = 77

Divide by 7

7x/7 = 77/7

x = 11

User Desenfoque
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