If the tree cast a shadow of 40 feet, how tall is the tree? A. 30 feet. B.35 ft. C.40 ft. D.45 ft.
2 answers:
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Answer:
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
m∠LOM+m∠MON=m∠LON ----> by angle addition postulate
we have
m∠LOM=2x°
m∠MON=x°
m∠LON=90° ----> is a right angle
substitute the values
solve for x
I hope this helps you
In a 45 - 45 - 90 right triangle, the hypotenuse is √2 · legs = hypotenuse, so legs= and to rationalize the denominator all we have to do is multiply the numerator and denominator by √2.
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