Mathematics
WAEC 2006
The values of three angles at a point are 3y - 45
o, y + 25
o and y
o . Find the value of y.
-
A.
40o
-
B.
58o
-
C.
68o
-
D.
76o
Correct Answer: Option D
Explanation
(3y - 450 + (y + 25) + t = 360o(angles at a point)
3y - 45 + y + 25 + y = 360
5y = 360 + 20
5y = 380
y = \(\frac{380}{5}\)
= 76o
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}