Question

Que: what are the different properties of triangles?​

Answer 1

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what are the different properties of triangles?

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1. Two adjacent angles on a straight line are in a ratio 5:4. Find the measure of each one of these angles. (Answer: 100 ° and 80 °degree).
2. Prove that bisectors of two adjacent supplementary angle include a right angle.
3. If two straight lines are perpendicular to the same line, prove that they are parallel to each other.

Answer 2

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-1)The following properties of triangles shall make the concept more clear to you:

Angles opposite to equal sides of an isosceles triangle are also equal. In an isosceles triangle XYZ, two sides of the triangle are equal. ...

-2)The sides opposite to equal angles of a triangle are also equal.

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