If you know that 7 x 8 =56, how can you use the commutative (order) property of multiplication to find the product of 8 x 7?
1 answer:
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Answer:
64.5°
Step-by-step explanation:
angle of elevation is the angle from the point where the shadow ends. this create a right angle triangle. using tan, you can find the angle.
tan theta = opposite/adjacent
angle = tan^-1(42/20)
angle = 64.5°
