Answer:
R n S = {20}
Step-by-step explanation:
n in sets means same elements found in the sets which are being compared
Answer:
90°
Step-by-step explanation:
90
Thales Theorem
Answer:
144π
Step-by-step explanation:
we need the radisu
circumference formula: 2πr
2πr=24π
12=r
area formula:
πr²
12²π= 144π