The temperature decrease from 25 degreesC to 22 degreesC calculate the percentage decrease
1 answer:
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This is what I could find
The roof will be in the shape of an isosceles triangle with a base length of 42 m and two sides that are 27 m. The two 27 m beams will have the same angle of elevation since they have to might in the middle.
So to find the angle of elevation, we can split the roof in half vertically to create a right triangle. The base will now be 21 m, and the hypotenuse will be 27 . Now we can use a trigonometry function to solve for the angle. We know the hypotenuse and the side adjacent to the angle, so we can use cosine.
The answer is 38.9 degrees
So to find the angle of elevation, we can split the roof in half vertically to create a right triangle. The base will now be 21 m, and the hypotenuse will be 27 . Now we can use a trigonometry function to solve for the angle. We know the hypotenuse and the side adjacent to the angle, so we can use cosine.
The answer is 38.9 degrees