Answer:
No
Step-by-step explanation:
If 15 x 2=30 and 8x2=16 not 18 it’s incorrect
Answer:
4.47
Step-by-step explanation:
4^2+b^2=6^2
16+b^2=36
-16. -16
√b^2=√20
b=4.47
A circle has infinit lines of symmetry. They pass through the centre of the circle and are the circle's diameter.
Hope this helps! (: