Answer:
the second one (Diego)
Step-by-step explanation:
7a-3a
5b+4b
Answer:
A. 25 cm
Step-by-step explanation:
Perimeter of a polygon = the sum of all sides of the polygon
Therefore,
Perimeter of the given polygon = 5 + 6 + 8 + 6
Perimeter = 25 cm
No she is not correct . 63 divided by 9 is 7 not 6
Answer:
15.7 cm
Step-by-step explanation:
Circumference= Diameter * Pi
Hence,
Circumference of the circle= 3.14 * 5
=15.7 cm