opposite angles theorem

Prove that in any triangle, the sides of a triangle are proportional to the sines of the opposite angles..

If two lines intersect, then the vertically opposite angles are congruen..

In this type, the leaves are arranged in pairs at each node. When the opposite leaves arise in the same plane at successive nodes, it is said to be opposite superposed phyllotaxy. e.g., Quisqualis. When each opposite pair of leaves are at right angles to each..

Statement - If two lines intersect, then the vertically opposite angles are congruen..

In a triangle, which is the side opposite to the obtuse angle? => the greatest or either the greatest or the smallest or the smallest or neither the greatest nor the smallest..

When two straight lines intersect each other at a point, the pairs of opposite angles so formed are called vertically opposite angles..

Sum of the angles of a triangle is equal to two right angles..

Theorem - Sum of the angles of a triangle is equal to two right angles. ABC is a triangle A + B + ACB = 180 o Produce BC to D. Through C draw CE || B..

Propositions are of two kinds namely Theorem and Problems A theorem is a generalised statement, which can be proved logically. A theorem has two parts, a hypothesis, which states the given facts and a conclusion which states the property to be proved. The two sta..

If a side of a triangle is produced, the exterior angle so formed is equal to the sum of the interior opposite angles..