Isosceles Triangle — الرياضيات الصف الثاني الإعدادي لغات

درس «Isosceles Triangle» فى مادة الرياضيات لـالصف الثاني الإعدادي لغات من وحدة «Geometry». This lesson explores the properties of isosceles triangles, including the theorem that base angles are congruent. It covers the properties of equilateral triangles, and the axes of symmetry in these triangles. The lesson also includes the 30°-60°-90° triangle theorem and applies these properties to solve problems involving isosceles and equilateral triangles. هتتعلم فى الدرس ده: In an isosceles triangle, the base angles are congruent.، The converse is also true: if two angles are congruent, the opposite sides are congruent.، An equilateral triangle is also equiangular, and vice versa.، The axis of...

الدرس ده من وحدة «Geometry» فى مادة الرياضيات لـالصف الثاني الإعدادي لغات على منصة دروسات.

الدرس متاح بالاشتراك: ترم كامل أو المادة لوحدها.

ملخص الدرس

This lesson explores the properties of isosceles triangles, including the theorem that base angles are congruent. It covers the properties of equilateral triangles, and the axes of symmetry in these triangles. The lesson also includes the 30°-60°-90° triangle theorem and applies these properties to solve problems involving isosceles and equilateral triangles.

هتتعلم إيه فى الدرس ده

• In an isosceles triangle, the base angles are congruent.
• The converse is also true: if two angles are congruent, the opposite sides are congruent.
• An equilateral triangle is also equiangular, and vice versa.
• The axis of symmetry of an isosceles triangle passes through the vertex and the midpoint of the base.
• In a 30°-60°-90° triangle, the side opposite the 30° angle is half the hypotenuse.