Answer:
question2)16
Step-by-step explanation:
use pythagoras theorem in triangle ΔAEC to find CE(∠BEC+∠AEC=180)(linear pair)
21cm
Step by step:
Scale : 9cm :12m
Therefore 1m = 9/12 cm
28m= 9/12 *28 = <u>21 cm</u>
3√-64 = -4
The answer is -4.
Answer: B( hope this helps)
