WAEC - Mathematics (2008 - No. 17)

If x^o is obtuse, which of the following is true?

x . 90

180 < x < 270

x < 90

90 < x < 180

Giải thích

obtuse angle \(\to\) 90^o < x < 180^o

Bình luận (0)

Quảng cáo