Answer:

hi, here's my answer. But please double check mo sa notes mo if tama ba yung ginamit ko na formula. Sorry, kay own knowledge ginamit ko.

Step-by-step explanation:

1. 2cm

=2(3.14) (2)

=12.56 cm or 12.6 cm

2. 8m

=3.14(8)

=25.12 m

3. 5cm

=2(3.14) (5)

=31.4 cm

4. 7cm

= 2(3.14) (7)

=43.96 cm or 44 cm

5. 7m

=3.14(7)

=21.98 m or 22 m

p.s Dunno if tama to :)