WAEC - Mathematics (2022 - No. 29)
Find ∠OSN
36º
42º
54º
72º
Εξήγηση
The sum of angles in a triangle = 180º
(180 - 108)º = 72º
Isosceles triangle has both two equal sides and two equal angles.
∠OSN = \(\frac{72}{2}\)
= 36º
Find ∠OSN
The sum of angles in a triangle = 180º
(180 - 108)º = 72º
Isosceles triangle has both two equal sides and two equal angles.
∠OSN = \(\frac{72}{2}\)
= 36º