1. In Δ PQR, D is the mid-point of QR. (i) PM is _____. (ii) PD is _____. (a) In ΔABC, BE is a median. (b) In ΔPQR, PQ and PR are altitudes of the triangle. (c) In ΔXYZ, YL is an altitude in the ...
Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse, right ...
A triangle is a 2D shape with three sides and three angles. The angles in a triangle add up to 180°. The properties of different kinds of triangles are listed below.