In Exercises 27 to 30, provide a paragraph proof.
Prove: is isosceles.
To prove is isosceles.
Given that, with and .
To prove is isosceles that is an isosceles triangle is a triangle that has two sides of equal length.
The diagrammatic representation is given below,
First compare the
But OB=OB. Since its common for both triangles and identity.
(SAS) Definition: Triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles.
So by using side angle side property .
Also using CPCTC (corresponding parts of congruent triangles are congruent) to get the following,
If a line is drawn through the center of a circle perpendicular to a chord, then it bisects the chord and its arc.
That is for circle given , therefore
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