Are the legs in a 30°-60°-90° triangle are equal?

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

Sorry guys but as you have a small brain

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?