What is true regarding two adjacent arcs created by two intersecting diameters?
A. They always have equal measures.
B. the difference of their measure is 90
C. The sum of their measure is 180.
D. Their measures cannot be equal.

answer:

Step-by-step explanation:

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5