Please help me with this and i'll mark you as brainlist. but it has to be a answer that makes sense

the new one for a: 12/21 and 15/21

the new one for b: 20/25 and 15/25

the new one for c: 20/27 and 33/27

the new one for d: 25/24 and 36/24

Step-by-step explanation:

4/7 x 3/3 equals 12/21

3/5 x 5/5 equals 15/25

11/9 x 3/3 equals 33/27

6/4 x 6/6 equals 36/24

the correct answer is semicircle

step-by-step explanation:

the answer is semicircle because the shorter arc joining two points on the circumference of a circle is known as the minor arc, the larger arc is called the major arc, and a semicircle is a half circle, formed by cutting a whole circle along a diameter line.

hope i .

what?

step-by-step explanation:

what do you need with. i love quadrants. can you tell me ?