Answer:
Option A and C are correct
The hypotenuse is twice as long as length as the shorter leg.
The longer leg is
times as long as the shorter leg.
Explanation:
Definition:
A 30-60-90 triangle is commonly a right angle triangle whose sides are in proportion

then;
the length of hypotenuse is twice the length of the shorter leg and the length of the longer leg is
times the length of the shorter leg.
As per the statement:
We have to find the statements that are true about a 30-60-90 triangle.
By definition of 30-60-90 triangle;
Length of hypotenuse is twice the length of the shorter leg
and
Length of the longer leg is
times the length of the shorter leg.