princeofpowerjr
20.12.2020 •
Mathematics
Verify experimentally that the angle opposite to the longer side is greater than
the angle opposite to the shorter side in any triangle (at least two figures are
necessary)
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Ответ:
If two sides of a triangle are unequal, the angle opposite to the longer side is larger (or greater). You may prove this theorem by taking a point P on BC such that CA = CP.
Step-by-step explanation:
That's how you can prove which side is bigger
Ответ:
Given:
The figure of a triangle.
The perimeter of the triangle ABC is 31.
To find:
The value of x in the given triangle.
Solution:
Three sides of the triangle ABC are AB, BC, AC are their measures are respectively.
The perimeter of the triangle ABC is 31.
Subtract 7 from both sides.
Now, the measures of the sides are:
And,
Using the law of cosines, we get
Using calculator, we get
Therefore, the value of x is 37.0 degrees.