Triangles
Triangles — Class 10 Maths notes, solved examples, online MCQ test and IMO practice on Vidaara.
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Similar figures and criteria of similarity
What is a similar figure? In geometry, similar figures are shapes that have the exact same shape, but not necessarily the same size. Think of a photog…
Start this topic → 2Area of similar triangles
What is the Area of Similar Triangles Theorem? When two triangles are similar, their sides are scaled by a fixed factor. But area is two-dimensional, …
Start this topic → 3Pythagoras Theorem and its converse
What is the Pythagoras Theorem? The Pythagoras Theorem applies to right-angled triangles (one angle exactly ). It states: in a right-angled triangle, …
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key