Line AC is a diagonal of square ABCD.

Line AC is a diagonal of square ABCD.

What is the sine of
A . 1/2
B .

C .


D .

E . Cannot be determined

View Answer

Answer: C

Explanation:

A square has four right (90-degree) angles. The diagonals of a square bisect its angles. Diagonal AC bisects C, forming two 45-degree angles,

and

. The sine of 45º is equal to

.