Answer:
DE
Step-by-step explanation:
See how DE cuts through half? We shouldn't be too accurate for the midsegment.
Answer:
the answer is 78 degrees
Step-by-step explanation:
a acute angle is less than 90
Answer:
There are four ways to represent an inequality: Equation notation, set notation, interval notation, and solution graph.
The double angle formula for the sine is
The right hand side is exactly your expression, where 
So, rewriting the expression from right to left, we have
A is inbetween 2 and 4
B is inbetween 3 and 4
C is inbetween 4 and 5
D is inbetween 5 and 6
So the correct answer would be A B and C
