Answer:
22 triangles in a 24-gon.
Step-by-step explanation:
24−2=22
There are 22 triangles in a 24-gon.
Answer:
b
Step-by-step explanation:
Answer: a = 81
Explanation:
Geometric mean: sqrt a • b
sqrt a • 15 = 9 sqrt 15
Sqrt 15a = 9 sqrt 15
(Sqrt 15a)^2 = (9 sqrt 15)^2
15a = 81 x 15
a = 81
3 sets or it you could divide which would still give you 3
