How do you prove that two triangles are similar?
To prove similarity, use the AA, SSS, or SAS criterion: AA: Two angles are equal. SSS: All sides are proportional. SAS: Two sides are proportional, and the included angle is equal.
What are the real-life applications of similar triangles?
Similar triangles are used in: Indirect measurement techniques (e.g., finding heights of buildings). Map scaling and architectural designs.
What are the properties of a right-angled triangle?
In a right-angled triangle, one angle measures 90°, and the Pythagoras Theorem holds: c² = a² + b².
What is the sum of the interior angles of a triangle?
The sum of the interior angles of a triangle is always 180°.
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