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Omni-MATH / A rectangle with dimensions 100 cm by 150 cm is tilted so that one corner is 20…

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problem

A rectangle with dimensions 100 cm by 150 cm is tilted so that one corner is 20 cm above a horizontal line, as shown. To the nearest centimetre, the height of vertex ZZ above the horizontal line is (100+x)cm(100+x) \mathrm{cm}. What is the value of xx?
Plain-text mathematical notation (without MathML)
A rectangle with dimensions 100 cm by 150 cm is tilted so that one corner is 20 cm above a horizontal line, as shown. To the nearest centimetre, the height of vertex Z above the horizontal line is (100+x)cm. What is the value of x?
Original LaTeX notation
A rectangle with dimensions 100 cm by 150 cm is tilted so that one corner is 20 cm above a horizontal line, as shown. To the nearest centimetre, the height of vertex $Z$ above the horizontal line is $(100+x) \mathrm{cm}$. What is the value of $x$?

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