Area of a computer screen ( square side) = a²
Here, screen side length = 21 in.
So, area = 21² = 441 in²
In short, Your Answer would be Option B
Hope this helps!
Answer:
b ≈ 48.6°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin b = = , then
b = ( ) ≈ 48.6° ( to 1 dec. place )
A = 1/2(a+b)*h = 1/2(20+16)*10 = 18*10= 180 yd^2
Answer: 389 is the square root.