Tag: Isosceles triangle

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Theorem – Angles opposite to equal sides of an isosceles triangle are equal

Angles opposite to equal sides of an isosceles triangle are equal. Given: A isosceles triangle △ ABC in which AB = AC, andangles opposite to equal sides of triangle are ∠B and ∠C. To prove: We need to prove that ∠B and ∠C, are equal                           ∠B = ∠C. Construction: Draw the bisector […]

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Types of triangles- Right, Acute, Obtuse…..

     Types of triangles- Right, Acute, Obtuse…..          Type on triangles on base of angles 1.  Right triangle: If in a triangle, one angle is 90 degree, the triangle called right triangle. or  A right triangle has a 900  angle. The following triangle is a right triangle.  2. Acute triangle: If in a triangle, all three […]

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