Circumference of a circle: 2 * Pi * R
1. Calculate radius from diameter.
Radius = Diameter/2
Radius = 15/2
Radius = 7.5cm
Formula to calculate the circumference:
2 * Pi * R
= 2 * Pi * 7.5
= 15 * Pi
= About 47.10 cm in terms of Pi.
So, in conclusion, the circumference if this circle is about: 47.10cm.
Answer:
2 gallon bottle is the smallest because it would be 16 pints of cleaner and that is equal to 2 gallons.
Volume = πr²h
Diameter = S
Height = S
Radius = S/2
Volume = π ( s²/4 ) s
1/4 πs³
The required answer is in the option ( A )
Hope helps!
No, it never can be a right triangle.
First, all the angles of an equilateral triangle is 60 degrees because all angles are the same and all the angles add up to 180:
180/3 = 60.
So if it is a right angle it needs one angle 90 degrees which an equilateral triangle can't have,
