Answer:
The correct answer is option a. 400
Step-by-step explanation:
<u>Points to remember </u>
Area of square = a²
Where 'a' is the side length of square
<u>To find the area of square </u>
It is given that, the side length of square is 20 inches.
Here a = 20 inches
Area = a²
= 20²
= 400
Therefore the correct answer is option a. 400
(x + 7) (x - 3)
Find 2 numbers that add to 4 and multiply to -21
D
300 centimeters
1 meter is equal to 100 cm so 3 x 100 = 300