Question
State the AAA-similarity criterion.
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Answer
If is any two triangles, the corresponding angles are equal, then their corresponding sides are proportional and hence the triangles are similar.
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ABCD is a cyclic quadrilateral such that $\angle\text{A}=(4\text{y}+20)^\circ,\angle\text{B}=(3\text{y}-5)^\circ$ $\angle\text{C}=(-4\text{x})^\circ$ and $\angle\text{D}=(7\text{x}+5)^\circ$ Find the four angles.
→In a tree plantation programme, the number of trees planted by students of different classes is given in the following table. Draw a pie diagram showing the information.
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Solve : x ² + 10 x + 2 = 0
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