Identification and Verification of the Properties of Triangle

Experiment 1: The sum of three interior angles of a triangle is 180°
A B C
Figure a
A B C
Figure b
A B C
Figure c
figure∠BAC∠ABC∠BCASumResult
(a)
(b)
(c)
Experiment 2: Verification of the angles of an equilateral triangle.
A B C
Figure a
A B C
Figure b
A B C
Figure c
figure∠BAC∠ABC∠BCAResult
(a)
(b)
(c)
Experiment 3: Verification of the base angles of an isosceles triangle.
A B C
Figure a
A B C
Figure b
A B C
Figure c
Figure∠ABC∠ACBResult
(a)
(b)
(c)
Experiment 4: Experiential Verification of the base angles of a right angled isosceles triangle.
A B C
Figure a
A B C
Figure b
A B C
Figure c
Figure∠CAB∠CBAResult
(a)
(b)
(c)