help me with number one and two

Answer: C. 20.25m^2 Also the answer for #3 is D.
Step-by-step explanation:
A=a^2 = 4.52 = 20.25m²
Therefor the answer is 20.25m²
#3 : Something to remember for #3 is if a number has a bar on top of a number it means its infinite
* Hopefully this helps:) Mark me the brainliest:)!!
∞ 234483279c20∞
Answer:
1 is C. 20.25 and 3 is D.
Step-by-step explanation:
When u find the area of a square its base times height since they are all 4.5 all u do is multiply it by itself like 4.5 x 4.5 and u get C. and if a number has a bar on top of a number it means its infinite Hope this helps!