While Al was staying overnight on vacation with his friends his only expenses were for food. Al spent $7.52 on lunch, $9.74 on d
1 answer:
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Answer:
(a)
(b)
Step-by-step explanation:
The sum of the angles inside a triangle must be 180°, but from the right angle we already have 90°, so the sum of the two acute angles is 90°, then:
Let be the length of the shadow and
the height of the three, so tan(35) is
Solving that last equation for h:
