Answer:
y = 10
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin30° = , then
sin30° = =
=
( cross- multiply )
2y = 20 ( divide both sides by 2 )
y = 10
The ratio of girls to boys in a boarding school is 2:7,if there are 1251 student in the school, how many of the student are girl
2 answers:
You might be interested in
