What is the name of a half circle?

What is 21 out of 27 in simplest form? How much is a no mint 1 dollar coin? What is the fifth dimention? What is the percentage of Hinduism social caste? Who was the young lad who came into hepzibahs one cent shop waiting to buy three and half a pound of raisins? What is the LCM of 30 and 126? How many odd natural numbers between 0 and 40 are prime numbers? Place Value of 7 in 367.361? What is 0.0048 cents? What is the quotient and remainder when 133 is divided by 85? What does the golden ratio means? What is the total sum divided by the total Time? Find the slope and y-intercept of x equals -6? What is the square root of 5ft x 5ft? What is the maximum number of triplets produced by the four bases? What questions do you ask to find the adjective? What does division propertyf equality mean? What is the hypotenuse of a 50 x 60 rectangle? Why can't any number be divided by zero? How long are the sides of a right triangle with hypotenuse of 26.25 inches?