answersLogoWhite

0


Best Answer

Area: 1/2πr2

Perimeter: 1/2πd+d

User Avatar

Wiki User

12y ago

Still curious? Ask our experts.

Chat with our AI personalities

EzraEzra
Faith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor

Add your answer:

Earn +20 pts
Q: How do you calculate the area and perimeter or semi circles?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the semi-perimeter of a triangle with side lengths 11 61 and 60?

Semi-perimeter means half the perimeter. Calculate the perimeter, then divide that by 2 to get the semi-perimeter.


What is the Perimeter of semicircle and quadrant circles?

The semi-circle is 0.5 X pi X diameter + diameter The semi-circle is 0.5 X pi X diameter + diameter


Who discover herons formulas?

In geometry, Heron's (or Hero's) formula, named after Heron of Alexandria, states that the area A of a triangle whose sides have lengths a, b, and c is square root of semi perimeter multiply by semi perimeter minus a multiply by semi perimeter minus b multiply by semi perimeter minus c.


Calculate the area of an ellipse?

Area = pi*a*b where a and b are the semi-major and semi-minor axes.


How do you calculate the ellipse area?

Area = pi*a*b where a and b are the semi-major and semi-minor axes.


What is formula of perimeter of semi circle?

The perimeter of a circle has the formula 2πr. Therefore the length of a semi circle is πr. But the perimeter of a semi circle also includes the diameter which is 2r. Therefore the perimeter of a semi circle = πr + 2r = r(π + 2)


How do you calculate square footage of semi circle?

Area of a semi circle: (pi*radius2)/2 square feet


What is the answer to finding the area of 4 semi-circles with the diameter of 10 centimeters?

-6


Is the the semi-circles of two congruent circles always congruent?

Yes.


How do you find the area of a rectangle with a semi circle attached to it?

Calculate the area of a rectangle and of the semicircle separately, then add.


Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).


What is the Memphis?

circles, squares, rectangles mainly... but the odd semi circles etc...