Separate the figure into simpler shapes whose areas can be found.
I can help if you post a pic of them if ya want.
Answer:

Step-by-step explanation:
Given


Required
Write the equivalent cosine function
The general formula is:

Where


Substitute
for amplitude in 


Substitute 3 for period in 

<em>Multiply both sides by b</em>

<em>Divide through by 3</em>

Hence;
becomes

Answer:
16 rows
Step-by-step explanation:
448 rows
28 flowers in each
448/28=16
Step-by-step explanation:
he doesnt round off his value,,,he leaves divided the values wrongly ,,he never left his work in 4 significant figures