11. plz help:(
:( my exam
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1.3 Foot length is moved to down
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Step-by-step explanation:
Now using Pythagoras theorem again → (floor base)² + (height of wall)² = (length of rod)²
(2.4 - x)² + (1 + x)² = 2.62
→ 5.76 + x² - 4.8 +1 + x² + 2x = 6.76
→ 6.76 + 2x² - 2.8x = 6.76
→ 2x² - 2.8x = 6.76-6.76
2x² - 2.8x = 0
2x(x - 1.4) = 0
> (x - 1.4) = 0
x = 1.4
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