If you take Coleman's test grade and divide by 2 and add 27, you get 67. Write and solve an equation to find Coleman's test grad
1 answer:
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Answer:
Step-by-step explanation:
The tunnel, the ground and the depth of the tunnel form a right angle triangle.
The length of the tunnel is the hypotenuse of the right triangle that has been formed.
Let the length of the tunnel be .
Using the sine ratio, we obtain;
The length of the opposite side is
We substitute the given values to obtain;
We cross multiply to obtain;
Therefore the correct answer is C.
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Add sides 9
Subtract sides 6z
Divide sides by 2
Thus ;
Done...
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