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Answer: The acute angle between diagonals is 50
Step-by-step explanation:
Red angle = 50 because An exterior angle of a triangle is equal to the sum of the opposite interior angles (pink angles).
Alternatively:
Green angle is 130 by sum of interior angles of a triangle.
Red angle is 50 by Adjacent angles
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Answer:
The answer is
Step-by-step explanation:
We have to:
So, if we take the 60 degree angle of the smallest triangle, we have to:
We do not know x. But if we take the sine of the angle of 30 degrees and the main triangle we have:
Then: