Answer: C. He can show that the measures of arcs AB, AC, and BC are all equal to 120°.
Step-by-step explanation:
Each angle of an equilateral triangle measures 60°, so by the inscribed angle theorem, each arc created by a pair of adjacent vertices will measure 120°.
Answer:
A) 4/15
Step-by-step explanation:
There are 15 total numbers that becomes 15 total possibilities
There are 4 numbers less than 5, so there is a 4 out of 15 chance one of those numbers get picked
Answer:
Step-by-step explanation:
P(a red marble and a yellow marble)=5/12 ×4/11=5/33
P (a green or a yellow marble)=5/12+4/12=9/12=3/4
P(a green and a yellow and a red marble)=5/12×3/12×4/12=5/144