A 6ft tall observer is standing at the top of a cliff. He spots a house in the adjacent valley at an angle of depression of 12 degrees. The cliff is 54 ft tall. How far away is the house from the base of the cliff?

CAN SOMEONE HELP MEE

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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because that’s us why

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.

simple 80 pieces in 1 sercing so 80*47=3760+20=3780