Mathematics

6 August, 12:31

A section of a rectangle is shaded to form a trapezoid. The lengths of the 2 bases are 7 and x. The length of a side that forms a right angle with side x is 7. A section of a rectangle is shaded. The area of the shaded section is 63 square units. What is the value of x? 9 units 11 units 18 units 21 units

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