Answer:
<h2>Answer is 3 </h2><h2>because 3×7 = 21</h2>
Answer:
Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers.
A heptagon is a polygon.
It has 7 sides
HOPE MINE IS THE BRAINLIEST
Answer:
18
Step-by-step explanation:
The diameter is equal to twice the length of the radius
So if the radius is 9 then the diameter is 9 * 2 = 18
