Question

plz give correct answer​

Answer 1

Answer:

1) (a) = - 1

2) (a) = 3

4) (a) = 62.8cm

4) (b) = ED

Answer 2

Answer:

5 ) (a) -1

6 ) (b) 4

7 ) (a) 62.8

8) (b) ED

Step-by-step explanation:

hope this helps you