Answer:
3.5
Step-by-step explanation:
This is a 30-60-90 triangle so the hypotenuse is equal to 2 times .
≈ 3.5
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\deftab720
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2x+6 - х -4
2x - x = - 4 - 6
x=-10
20x - 8 = 18x +6
20x - 18x = 6 +8
2x = 14
x=7
l=√(4²+7²)
=√(16+49)
=√(65)
≈8.1 ft
wall is perpendicular to base and ladder is hypotenuse.
applying pythagoras's theorem.
