Answer:
When a triangle has two congruent sides it is called an isosceles triangle
Step-by-step explanation:
From the law of sines, we have

where
is the leg we're interested in,
is the hypothenuse,
is the angle opposite to
, and
is the angle between
and
.
So, in the first case, we can use

And in the second excercise, we use

Answer:
3 1/5
Step-by-step explanation: