Answer:
rectagle
Step-by-step explanation:
Answer:
A,C,D
Step-by-step explanation:
The only one you might use it the triangle
Answer:-tan (50) -tan (0) - tan (50) tan (0)
Step-by-step explanation:
any expression divided by one stays the same; simplify the expression using the symmetry of trigonometric functions.
Answer:
x=4
Step-by-step explanation:
A good way of doing this problem would be to use cross multiplication of ratios
<u />

Then cross multiply
(10 girls)(270 students)=(X girls)(18 students)
2700=18x
150=x