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3 years ago

Does anybody know about this I'm stuckes it's about angles

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

7 0

Answer:

the answer is 25 degrees

viktelen [127]3 years ago

5 0

Answer:

alpha = 25°

Step-by-step explanation:

The picture indicates a rectangle.

Alpha is in a straight corner of 90 °, so...

65 + alpha = 90

subtract 65 left and right of the = sign.

65 - 65 + alpha = 90 - 65

0 + alpha = 90 - 65

alpha = 25°

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We have the coordinates of the point A = (0, 0) and D is (0, b).By applying the formula to find the distance between A and D.

AD = $\sqrt{(0-0)^2-(b-0)^2}=\sqrt{b^2}=b$ .

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2 years ago

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3 years ago

Does anybody know about this I'm stuckes it's about angles ​

Does anybody know about this I'm stuckes it's about angles