The answer would be the second one
Answer:
21.75
Step-by-step explanation:
i added 12.25 by 9.50
The area of circle is 2463.0086 cm².
Step-by-step explanation:
Given,
Diameter of circle = 56 cm
Radius of circle = 
Radius of circle = 
We know that;
Area of circle = 
Area of circle = 
Area of circle = π * 784
Area of circle = 2463.00864041 cm²
Rounding off to four decimal places
Area of circle = 2463.0086 cm²
The area of circle is 2463.0086 cm².
Keywords: area, circle
Learn more about area at:
#LearnwithBrainly
Answer:
r = 20
Step-by-step explanation:
-4 = r/20 - 5
-4 + 5 = r/20 - 5 + 5
1 = r/20
1 * 20 = r/20 * 20
r = 20
Answer:
= 4.32 × 10^4
Step-by-step explanation:
= 4.32 × 10^4
(scientific notation)
= 4.32e4
(scientific e notation)
= 43.2 × 10^3
(engineering notation)
(thousand; prefix kilo- (k))
In scientific notation, a large number is converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some power. Very small numbers are converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some negative power.
